20215979880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1\times {\mathrm{6703}}^1$

素因数の和:7371

約数の個数: 128

約数和(自身を含む): 62237790720

約数和(自身を除く): 42021810840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 613, 615, 820, 984, 1226, 1230, 1640, 1839, 2452, 2460, 3065, 3678, 4904, 4920, 6130, 6703, 7356, 9195, 12260, 13406, 14712, 18390, 20109, 24520, 25133, 26812, 33515, 36780, 40218, 50266, 53624, 67030, 73560, 75399, 80436, 100532, 100545, 125665, 134060, 150798, 160872, 201064, 201090, 251330, 268120, 274823, 301596, 376995, 402180, 502660, 549646, 603192, 753990, 804360, 824469, 1005320, 1099292, 1374115, 1507980, 1648938, 2198584, 2748230, 3015960, 3297876, 4108939, 4122345, 5496460, 6595752, 8217878, 8244690, 10992920, 12326817, 16435756, 16489380, 20544695, 24653634, 32871512, 32978760, 41089390, 49307268, 61634085, 82178780, 98614536, 123268170, 164357560, 168466499, 246536340, 336932998, 493072680, 505399497, 673865996, 842332495, 1010798994, 1347731992, 1684664990, 2021597988, 2526997485, 3369329980, 4043195976, 5053994970, 6738659960, 10107989940, 20215979880]

約数ペア:

[(1, 20215979880), (2, 10107989940), (3, 6738659960), (4, 5053994970), (5, 4043195976), (6, 3369329980), (8, 2526997485), (10, 2021597988), (12, 1684664990), (15, 1347731992), (20, 1010798994), (24, 842332495), (30, 673865996), (40, 505399497), (41, 493072680), (60, 336932998), (82, 246536340), (120, 168466499), (123, 164357560), (164, 123268170), (205, 98614536), (246, 82178780), (328, 61634085), (410, 49307268), (492, 41089390), (613, 32978760), (615, 32871512), (820, 24653634), (984, 20544695), (1226, 16489380), (1230, 16435756), (1640, 12326817), (1839, 10992920), (2452, 8244690), (2460, 8217878), (3065, 6595752), (3678, 5496460), (4904, 4122345), (4920, 4108939), (6130, 3297876), (6703, 3015960), (7356, 2748230), (9195, 2198584), (12260, 1648938), (13406, 1507980), (14712, 1374115), (18390, 1099292), (20109, 1005320), (24520, 824469), (25133, 804360), (26812, 753990), (33515, 603192), (36780, 549646), (40218, 502660), (50266, 402180), (53624, 376995), (67030, 301596), (73560, 274823), (75399, 268120), (80436, 251330), (100532, 201090), (100545, 201064), (125665, 160872), (134060, 150798)]