20420809968

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1\times {\mathrm{1481}}^1$

素因数の和:2687

約数の個数: 160

約数和(自身を含む): 59893666560

約数和(自身を除く): 39472856592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1163, 1481, 1482, 1976, 2326, 2962, 2964, 3489, 3952, 4443, 4652, 5924, 5928, 6978, 8886, 9304, 11848, 11856, 13956, 15119, 17772, 18608, 19253, 22097, 23696, 27912, 28139, 30238, 35544, 38506, 44194, 45357, 55824, 56278, 57759, 60476, 66291, 71088, 77012, 84417, 88388, 90714, 112556, 115518, 120952, 132582, 154024, 168834, 176776, 181428, 225112, 231036, 241904, 265164, 287261, 308048, 337668, 353552, 362856, 365807, 450224, 462072, 530328, 574522, 675336, 725712, 731614, 861783, 924144, 1060656, 1097421, 1149044, 1350672, 1463228, 1722403, 1723566, 2194842, 2298088, 2926456, 3444806, 3447132, 4389684, 4596176, 5167209, 5852912, 6889612, 6894264, 8779368, 10334418, 13779224, 13788528, 17558736, 20668836, 22391239, 27558448, 32725657, 41337672, 44782478, 65451314, 67173717, 82675344, 89564956, 98176971, 130902628, 134347434, 179129912, 196353942, 261805256, 268694868, 358259824, 392707884, 425433541, 523610512, 537389736, 785415768, 850867082, 1074779472, 1276300623, 1570831536, 1701734164, 2552601246, 3403468328, 5105202492, 6806936656, 10210404984, 20420809968]

約数ペア:

[(1, 20420809968), (2, 10210404984), (3, 6806936656), (4, 5105202492), (6, 3403468328), (8, 2552601246), (12, 1701734164), (13, 1570831536), (16, 1276300623), (19, 1074779472), (24, 850867082), (26, 785415768), (38, 537389736), (39, 523610512), (48, 425433541), (52, 392707884), (57, 358259824), (76, 268694868), (78, 261805256), (104, 196353942), (114, 179129912), (152, 134347434), (156, 130902628), (208, 98176971), (228, 89564956), (247, 82675344), (304, 67173717), (312, 65451314), (456, 44782478), (494, 41337672), (624, 32725657), (741, 27558448), (912, 22391239), (988, 20668836), (1163, 17558736), (1481, 13788528), (1482, 13779224), (1976, 10334418), (2326, 8779368), (2962, 6894264), (2964, 6889612), (3489, 5852912), (3952, 5167209), (4443, 4596176), (4652, 4389684), (5924, 3447132), (5928, 3444806), (6978, 2926456), (8886, 2298088), (9304, 2194842), (11848, 1723566), (11856, 1722403), (13956, 1463228), (15119, 1350672), (17772, 1149044), (18608, 1097421), (19253, 1060656), (22097, 924144), (23696, 861783), (27912, 731614), (28139, 725712), (30238, 675336), (35544, 574522), (38506, 530328), (44194, 462072), (45357, 450224), (55824, 365807), (56278, 362856), (57759, 353552), (60476, 337668), (66291, 308048), (71088, 287261), (77012, 265164), (84417, 241904), (88388, 231036), (90714, 225112), (112556, 181428), (115518, 176776), (120952, 168834), (132582, 154024)]