20047020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:887

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 45271380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 809, 826, 885, 1180, 1239, 1618, 1652, 1770, 2065, 2427, 2478, 3236, 3540, 4045, 4130, 4854, 4956, 5663, 6195, 8090, 8260, 9708, 11326, 12135, 12390, 16180, 16989, 22652, 24270, 24780, 28315, 33978, 47731, 48540, 56630, 67956, 84945, 95462, 113260, 143193, 169890, 190924, 238655, 286386, 334117, 339780, 477310, 572772, 668234, 715965, 954620, 1002351, 1336468, 1431930, 1670585, 2004702, 2863860, 3341170, 4009404, 5011755, 6682340, 10023510, 20047020]

約数ペア:

[(1, 20047020), (2, 10023510), (3, 6682340), (4, 5011755), (5, 4009404), (6, 3341170), (7, 2863860), (10, 2004702), (12, 1670585), (14, 1431930), (15, 1336468), (20, 1002351), (21, 954620), (28, 715965), (30, 668234), (35, 572772), (42, 477310), (59, 339780), (60, 334117), (70, 286386), (84, 238655), (105, 190924), (118, 169890), (140, 143193), (177, 113260), (210, 95462), (236, 84945), (295, 67956), (354, 56630), (413, 48540), (420, 47731), (590, 33978), (708, 28315), (809, 24780), (826, 24270), (885, 22652), (1180, 16989), (1239, 16180), (1618, 12390), (1652, 12135), (1770, 11326), (2065, 9708), (2427, 8260), (2478, 8090), (3236, 6195), (3540, 5663), (4045, 4956), (4130, 4854)]