20682840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172357}}^1$

素因数の和:172371

約数の個数: 32

約数和(自身を含む): 62048880

約数和(自身を除く): 41366040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172357, 344714, 517071, 689428, 861785, 1034142, 1378856, 1723570, 2068284, 2585355, 3447140, 4136568, 5170710, 6894280, 10341420, 20682840]

約数ペア:

[(1, 20682840), (2, 10341420), (3, 6894280), (4, 5170710), (5, 4136568), (6, 3447140), (8, 2585355), (10, 2068284), (12, 1723570), (15, 1378856), (20, 1034142), (24, 861785), (30, 689428), (40, 517071), (60, 344714), (120, 172357)]