20120221240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{751}}^1\times {\mathrm{13669}}^1$

素因数の和:14445

約数の個数: 96

約数和(自身を含む): 52735579200

約数和(自身を除く): 32615357960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 751, 980, 1502, 1960, 3004, 3755, 5257, 6008, 7510, 10514, 13669, 15020, 21028, 26285, 27338, 30040, 36799, 42056, 52570, 54676, 68345, 73598, 95683, 105140, 109352, 136690, 147196, 183995, 191366, 210280, 273380, 294392, 367990, 382732, 478415, 546760, 669781, 735980, 765464, 956830, 1339562, 1471960, 1913660, 2679124, 3348905, 3827320, 5358248, 6697810, 10265419, 13395620, 20530838, 26791240, 41061676, 51327095, 71857933, 82123352, 102654190, 143715866, 205308380, 287431732, 359289665, 410616760, 503005531, 574863464, 718579330, 1006011062, 1437158660, 2012022124, 2515027655, 2874317320, 4024044248, 5030055310, 10060110620, 20120221240]

約数ペア:

[(1, 20120221240), (2, 10060110620), (4, 5030055310), (5, 4024044248), (7, 2874317320), (8, 2515027655), (10, 2012022124), (14, 1437158660), (20, 1006011062), (28, 718579330), (35, 574863464), (40, 503005531), (49, 410616760), (56, 359289665), (70, 287431732), (98, 205308380), (140, 143715866), (196, 102654190), (245, 82123352), (280, 71857933), (392, 51327095), (490, 41061676), (751, 26791240), (980, 20530838), (1502, 13395620), (1960, 10265419), (3004, 6697810), (3755, 5358248), (5257, 3827320), (6008, 3348905), (7510, 2679124), (10514, 1913660), (13669, 1471960), (15020, 1339562), (21028, 956830), (26285, 765464), (27338, 735980), (30040, 669781), (36799, 546760), (42056, 478415), (52570, 382732), (54676, 367990), (68345, 294392), (73598, 273380), (95683, 210280), (105140, 191366), (109352, 183995), (136690, 147196)]