20285600

素因数分解:

$2^5\times 5^2\times {\mathrm{25357}}^1$

素因数の和:25377

約数の個数: 36

約数和(自身を含む): 49524174

約数和(自身を除く): 29238574

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25357, 50714, 101428, 126785, 202856, 253570, 405712, 507140, 633925, 811424, 1014280, 1267850, 2028560, 2535700, 4057120, 5071400, 10142800, 20285600]

約数ペア:

[(1, 20285600), (2, 10142800), (4, 5071400), (5, 4057120), (8, 2535700), (10, 2028560), (16, 1267850), (20, 1014280), (25, 811424), (32, 633925), (40, 507140), (50, 405712), (80, 253570), (100, 202856), (160, 126785), (200, 101428), (400, 50714), (800, 25357)]