20396503680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20789}}^1$

素因数の和:20891

約数の個数: 256

約数和(自身を含む): 75323001600

約数和(自身を除く): 54926497920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 73, 80, 84, 96, 105, 112, 120, 128, 140, 146, 160, 168, 192, 210, 219, 224, 240, 280, 292, 320, 336, 365, 384, 420, 438, 448, 480, 511, 560, 584, 640, 672, 730, 840, 876, 896, 960, 1022, 1095, 1120, 1168, 1344, 1460, 1533, 1680, 1752, 1920, 2044, 2190, 2240, 2336, 2555, 2688, 2920, 3066, 3360, 3504, 4088, 4380, 4480, 4672, 5110, 5840, 6132, 6720, 7008, 7665, 8176, 8760, 9344, 10220, 11680, 12264, 13440, 14016, 15330, 16352, 17520, 20440, 20789, 23360, 24528, 28032, 30660, 32704, 35040, 40880, 41578, 46720, 49056, 61320, 62367, 65408, 70080, 81760, 83156, 98112, 103945, 122640, 124734, 140160, 145523, 163520, 166312, 196224, 207890, 245280, 249468, 291046, 311835, 327040, 332624, 415780, 436569, 490560, 498936, 582092, 623670, 665248, 727615, 831560, 873138, 981120, 997872, 1164184, 1247340, 1330496, 1455230, 1517597, 1663120, 1746276, 1995744, 2182845, 2328368, 2494680, 2660992, 2910460, 3035194, 3326240, 3492552, 3991488, 4365690, 4552791, 4656736, 4989360, 5820920, 6070388, 6652480, 6985104, 7587985, 7982976, 8731380, 9105582, 9313472, 9978720, 10623179, 11641840, 12140776, 13304960, 13970208, 15175970, 17462760, 18211164, 18626944, 19957440, 21246358, 22763955, 23283680, 24281552, 27940416, 30351940, 31869537, 34925520, 36422328, 39914880, 42492716, 45527910, 46567360, 48563104, 53115895, 55880832, 60703880, 63739074, 69851040, 72844656, 84985432, 91055820, 93134720, 97126208, 106231790, 121407760, 127478148, 139702080, 145689312, 159347685, 169970864, 182111640, 194252416, 212463580, 242815520, 254956296, 279404160, 291378624, 318695370, 339941728, 364223280, 424927160, 485631040, 509912592, 582757248, 637390740, 679883456, 728446560, 849854320, 971262080, 1019825184, 1274781480, 1359766912, 1456893120, 1699708640, 2039650368, 2549562960, 2913786240, 3399417280, 4079300736, 5099125920, 6798834560, 10198251840, 20396503680]

約数ペア:

[(1, 20396503680), (2, 10198251840), (3, 6798834560), (4, 5099125920), (5, 4079300736), (6, 3399417280), (7, 2913786240), (8, 2549562960), (10, 2039650368), (12, 1699708640), (14, 1456893120), (15, 1359766912), (16, 1274781480), (20, 1019825184), (21, 971262080), (24, 849854320), (28, 728446560), (30, 679883456), (32, 637390740), (35, 582757248), (40, 509912592), (42, 485631040), (48, 424927160), (56, 364223280), (60, 339941728), (64, 318695370), (70, 291378624), (73, 279404160), (80, 254956296), (84, 242815520), (96, 212463580), (105, 194252416), (112, 182111640), (120, 169970864), (128, 159347685), (140, 145689312), (146, 139702080), (160, 127478148), (168, 121407760), (192, 106231790), (210, 97126208), (219, 93134720), (224, 91055820), (240, 84985432), (280, 72844656), (292, 69851040), (320, 63739074), (336, 60703880), (365, 55880832), (384, 53115895), (420, 48563104), (438, 46567360), (448, 45527910), (480, 42492716), (511, 39914880), (560, 36422328), (584, 34925520), (640, 31869537), (672, 30351940), (730, 27940416), (840, 24281552), (876, 23283680), (896, 22763955), (960, 21246358), (1022, 19957440), (1095, 18626944), (1120, 18211164), (1168, 17462760), (1344, 15175970), (1460, 13970208), (1533, 13304960), (1680, 12140776), (1752, 11641840), (1920, 10623179), (2044, 9978720), (2190, 9313472), (2240, 9105582), (2336, 8731380), (2555, 7982976), (2688, 7587985), (2920, 6985104), (3066, 6652480), (3360, 6070388), (3504, 5820920), (4088, 4989360), (4380, 4656736), (4480, 4552791), (4672, 4365690), (5110, 3991488), (5840, 3492552), (6132, 3326240), (6720, 3035194), (7008, 2910460), (7665, 2660992), (8176, 2494680), (8760, 2328368), (9344, 2182845), (10220, 1995744), (11680, 1746276), (12264, 1663120), (13440, 1517597), (14016, 1455230), (15330, 1330496), (16352, 1247340), (17520, 1164184), (20440, 997872), (20789, 981120), (23360, 873138), (24528, 831560), (28032, 727615), (30660, 665248), (32704, 623670), (35040, 582092), (40880, 498936), (41578, 490560), (46720, 436569), (49056, 415780), (61320, 332624), (62367, 327040), (65408, 311835), (70080, 291046), (81760, 249468), (83156, 245280), (98112, 207890), (103945, 196224), (122640, 166312), (124734, 163520), (140160, 145523)]