20456208

素因数分解:

$2^4\times 3^2\times {\mathrm{142057}}^1$

素因数の和:142071

約数の個数: 30

約数和(自身を含む): 57249374

約数和(自身を除く): 36793166

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142057, 284114, 426171, 568228, 852342, 1136456, 1278513, 1704684, 2272912, 2557026, 3409368, 5114052, 6818736, 10228104, 20456208]

約数ペア:

[(1, 20456208), (2, 10228104), (3, 6818736), (4, 5114052), (6, 3409368), (8, 2557026), (9, 2272912), (12, 1704684), (16, 1278513), (18, 1136456), (24, 852342), (36, 568228), (48, 426171), (72, 284114), (144, 142057)]