20007788560

素因数分解:

$2^4\times 5^1\times {\mathrm{250097357}}^1$

素因数の和:250097370

約数の個数: 20

約数和(自身を含む): 46518108588

約数和(自身を除く): 26510320028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250097357, 500194714, 1000389428, 1250486785, 2000778856, 2500973570, 4001557712, 5001947140, 10003894280, 20007788560]

約数ペア:

[(1, 20007788560), (2, 10003894280), (4, 5001947140), (5, 4001557712), (8, 2500973570), (10, 2000778856), (16, 1250486785), (20, 1000389428), (40, 500194714), (80, 250097357)]