20763115520

素因数分解:

$2^{18}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 304

約数和(自身を含む): 59592557568

約数和(自身を除く): 38829442048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 73, 80, 112, 124, 128, 140, 146, 155, 160, 217, 224, 248, 256, 280, 292, 310, 320, 365, 434, 448, 496, 511, 512, 560, 584, 620, 640, 730, 868, 896, 992, 1022, 1024, 1085, 1120, 1168, 1240, 1280, 1460, 1736, 1792, 1984, 2044, 2048, 2170, 2240, 2263, 2336, 2480, 2555, 2560, 2920, 3472, 3584, 3968, 4088, 4096, 4340, 4480, 4526, 4672, 4960, 5110, 5120, 5840, 6944, 7168, 7936, 8176, 8192, 8680, 8960, 9052, 9344, 9920, 10220, 10240, 11315, 11680, 13888, 14336, 15841, 15872, 16352, 16384, 17360, 17920, 18104, 18688, 19840, 20440, 20480, 22630, 23360, 27776, 28672, 31682, 31744, 32704, 32768, 34720, 35840, 36208, 37376, 39680, 40880, 40960, 45260, 46720, 55552, 57344, 63364, 63488, 65408, 65536, 69440, 71680, 72416, 74752, 79205, 79360, 81760, 81920, 90520, 93440, 111104, 114688, 126728, 126976, 130816, 131072, 138880, 143360, 144832, 149504, 158410, 158720, 163520, 163840, 181040, 186880, 222208, 229376, 253456, 253952, 261632, 262144, 277760, 286720, 289664, 299008, 316820, 317440, 327040, 327680, 362080, 373760, 444416, 458752, 506912, 507904, 523264, 555520, 573440, 579328, 598016, 633640, 634880, 654080, 655360, 724160, 747520, 888832, 917504, 1013824, 1015808, 1046528, 1111040, 1146880, 1158656, 1196032, 1267280, 1269760, 1308160, 1310720, 1448320, 1495040, 1777664, 1835008, 2027648, 2031616, 2093056, 2222080, 2293760, 2317312, 2392064, 2534560, 2539520, 2616320, 2896640, 2990080, 3555328, 4055296, 4063232, 4186112, 4444160, 4587520, 4634624, 4784128, 5069120, 5079040, 5232640, 5793280, 5980160, 7110656, 8110592, 8126464, 8372224, 8888320, 9175040, 9269248, 9568256, 10138240, 10158080, 10465280, 11586560, 11960320, 14221312, 16221184, 16744448, 17776640, 18538496, 19136512, 20276480, 20316160, 20930560, 23173120, 23920640, 28442624, 32442368, 33488896, 35553280, 37076992, 40552960, 40632320, 41861120, 46346240, 47841280, 56885248, 64884736, 66977792, 71106560, 74153984, 81105920, 83722240, 92692480, 95682560, 129769472, 133955584, 142213120, 148307968, 162211840, 167444480, 185384960, 259538944, 284426240, 296615936, 324423680, 334888960, 370769920, 519077888, 593231872, 648847360, 669777920, 741539840, 1038155776, 1297694720, 1483079680, 2076311552, 2595389440, 2966159360, 4152623104, 5190778880, 10381557760, 20763115520]

約数ペア:

[(1, 20763115520), (2, 10381557760), (4, 5190778880), (5, 4152623104), (7, 2966159360), (8, 2595389440), (10, 2076311552), (14, 1483079680), (16, 1297694720), (20, 1038155776), (28, 741539840), (31, 669777920), (32, 648847360), (35, 593231872), (40, 519077888), (56, 370769920), (62, 334888960), (64, 324423680), (70, 296615936), (73, 284426240), (80, 259538944), (112, 185384960), (124, 167444480), (128, 162211840), (140, 148307968), (146, 142213120), (155, 133955584), (160, 129769472), (217, 95682560), (224, 92692480), (248, 83722240), (256, 81105920), (280, 74153984), (292, 71106560), (310, 66977792), (320, 64884736), (365, 56885248), (434, 47841280), (448, 46346240), (496, 41861120), (511, 40632320), (512, 40552960), (560, 37076992), (584, 35553280), (620, 33488896), (640, 32442368), (730, 28442624), (868, 23920640), (896, 23173120), (992, 20930560), (1022, 20316160), (1024, 20276480), (1085, 19136512), (1120, 18538496), (1168, 17776640), (1240, 16744448), (1280, 16221184), (1460, 14221312), (1736, 11960320), (1792, 11586560), (1984, 10465280), (2044, 10158080), (2048, 10138240), (2170, 9568256), (2240, 9269248), (2263, 9175040), (2336, 8888320), (2480, 8372224), (2555, 8126464), (2560, 8110592), (2920, 7110656), (3472, 5980160), (3584, 5793280), (3968, 5232640), (4088, 5079040), (4096, 5069120), (4340, 4784128), (4480, 4634624), (4526, 4587520), (4672, 4444160), (4960, 4186112), (5110, 4063232), (5120, 4055296), (5840, 3555328), (6944, 2990080), (7168, 2896640), (7936, 2616320), (8176, 2539520), (8192, 2534560), (8680, 2392064), (8960, 2317312), (9052, 2293760), (9344, 2222080), (9920, 2093056), (10220, 2031616), (10240, 2027648), (11315, 1835008), (11680, 1777664), (13888, 1495040), (14336, 1448320), (15841, 1310720), (15872, 1308160), (16352, 1269760), (16384, 1267280), (17360, 1196032), (17920, 1158656), (18104, 1146880), (18688, 1111040), (19840, 1046528), (20440, 1015808), (20480, 1013824), (22630, 917504), (23360, 888832), (27776, 747520), (28672, 724160), (31682, 655360), (31744, 654080), (32704, 634880), (32768, 633640), (34720, 598016), (35840, 579328), (36208, 573440), (37376, 555520), (39680, 523264), (40880, 507904), (40960, 506912), (45260, 458752), (46720, 444416), (55552, 373760), (57344, 362080), (63364, 327680), (63488, 327040), (65408, 317440), (65536, 316820), (69440, 299008), (71680, 289664), (72416, 286720), (74752, 277760), (79205, 262144), (79360, 261632), (81760, 253952), (81920, 253456), (90520, 229376), (93440, 222208), (111104, 186880), (114688, 181040), (126728, 163840), (126976, 163520), (130816, 158720), (131072, 158410), (138880, 149504), (143360, 144832)]