20730228736

素因数分解:

$2^{12}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 208

約数和(自身を含む): 49671272448

約数和(自身を除く): 28941043712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 83, 112, 124, 128, 166, 217, 224, 248, 256, 281, 332, 434, 448, 496, 512, 562, 581, 664, 868, 896, 992, 1024, 1124, 1162, 1328, 1736, 1792, 1967, 1984, 2048, 2248, 2324, 2573, 2656, 3472, 3584, 3934, 3968, 4096, 4496, 4648, 5146, 5312, 6944, 7168, 7868, 7936, 8711, 8992, 9296, 10292, 10624, 13888, 14336, 15736, 15872, 17422, 17984, 18011, 18592, 20584, 21248, 23323, 27776, 28672, 31472, 31744, 34844, 35968, 36022, 37184, 41168, 42496, 46646, 55552, 60977, 62944, 63488, 69688, 71936, 72044, 74368, 82336, 84992, 93292, 111104, 121954, 125888, 126976, 139376, 143872, 144088, 148736, 163261, 164672, 169984, 186584, 222208, 243908, 251776, 278752, 287744, 288176, 297472, 326522, 329344, 339968, 373168, 444416, 487816, 503552, 557504, 575488, 576352, 594944, 653044, 658688, 723013, 746336, 888832, 975632, 1007104, 1115008, 1150976, 1152704, 1189888, 1306088, 1317376, 1446026, 1492672, 1951264, 2014208, 2230016, 2305408, 2379776, 2612176, 2634752, 2892052, 2985344, 3902528, 4028416, 4460032, 4610816, 5061091, 5224352, 5269504, 5784104, 5970688, 7805056, 8056832, 8920064, 9221632, 10122182, 10448704, 10539008, 11568208, 11941376, 15610112, 17840128, 18443264, 20244364, 20897408, 23136416, 23882752, 31220224, 35680256, 36886528, 40488728, 41794816, 46272832, 47765504, 62440448, 73773056, 80977456, 83589632, 92545664, 95531008, 124880896, 161954912, 167179264, 185091328, 249761792, 323909824, 334358528, 370182656, 647819648, 668717056, 740365312, 1295639296, 1480730624, 2591278592, 2961461248, 5182557184, 10365114368, 20730228736]

約数ペア:

[(1, 20730228736), (2, 10365114368), (4, 5182557184), (7, 2961461248), (8, 2591278592), (14, 1480730624), (16, 1295639296), (28, 740365312), (31, 668717056), (32, 647819648), (56, 370182656), (62, 334358528), (64, 323909824), (83, 249761792), (112, 185091328), (124, 167179264), (128, 161954912), (166, 124880896), (217, 95531008), (224, 92545664), (248, 83589632), (256, 80977456), (281, 73773056), (332, 62440448), (434, 47765504), (448, 46272832), (496, 41794816), (512, 40488728), (562, 36886528), (581, 35680256), (664, 31220224), (868, 23882752), (896, 23136416), (992, 20897408), (1024, 20244364), (1124, 18443264), (1162, 17840128), (1328, 15610112), (1736, 11941376), (1792, 11568208), (1967, 10539008), (1984, 10448704), (2048, 10122182), (2248, 9221632), (2324, 8920064), (2573, 8056832), (2656, 7805056), (3472, 5970688), (3584, 5784104), (3934, 5269504), (3968, 5224352), (4096, 5061091), (4496, 4610816), (4648, 4460032), (5146, 4028416), (5312, 3902528), (6944, 2985344), (7168, 2892052), (7868, 2634752), (7936, 2612176), (8711, 2379776), (8992, 2305408), (9296, 2230016), (10292, 2014208), (10624, 1951264), (13888, 1492672), (14336, 1446026), (15736, 1317376), (15872, 1306088), (17422, 1189888), (17984, 1152704), (18011, 1150976), (18592, 1115008), (20584, 1007104), (21248, 975632), (23323, 888832), (27776, 746336), (28672, 723013), (31472, 658688), (31744, 653044), (34844, 594944), (35968, 576352), (36022, 575488), (37184, 557504), (41168, 503552), (42496, 487816), (46646, 444416), (55552, 373168), (60977, 339968), (62944, 329344), (63488, 326522), (69688, 297472), (71936, 288176), (72044, 287744), (74368, 278752), (82336, 251776), (84992, 243908), (93292, 222208), (111104, 186584), (121954, 169984), (125888, 164672), (126976, 163261), (139376, 148736), (143872, 144088)]