20009306872

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{25237}}^1$

素因数の和:25436

約数の個数: 64

約数和(自身を含む): 40703846400

約数和(自身を除く): 20694539528

約数列:

[1, 2, 4, 8, 23, 31, 46, 62, 92, 124, 139, 184, 248, 278, 556, 713, 1112, 1426, 2852, 3197, 4309, 5704, 6394, 8618, 12788, 17236, 25237, 25576, 34472, 50474, 99107, 100948, 198214, 201896, 396428, 580451, 782347, 792856, 1160902, 1564694, 2321804, 3129388, 3507943, 4643608, 6258776, 7015886, 14031772, 17993981, 28063544, 35987962, 71975924, 80682689, 108746233, 143951848, 161365378, 217492466, 322730756, 434984932, 645461512, 869969864, 2501163359, 5002326718, 10004653436, 20009306872]

約数ペア:

[(1, 20009306872), (2, 10004653436), (4, 5002326718), (8, 2501163359), (23, 869969864), (31, 645461512), (46, 434984932), (62, 322730756), (92, 217492466), (124, 161365378), (139, 143951848), (184, 108746233), (248, 80682689), (278, 71975924), (556, 35987962), (713, 28063544), (1112, 17993981), (1426, 14031772), (2852, 7015886), (3197, 6258776), (4309, 4643608), (5704, 3507943), (6394, 3129388), (8618, 2321804), (12788, 1564694), (17236, 1160902), (25237, 792856), (25576, 782347), (34472, 580451), (50474, 396428), (99107, 201896), (100948, 198214)]