20494825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3361

約数の個数: 24

約数和(自身を含む): 28817600

約数和(自身を除く): 8322775

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 3319, 6175, 16595, 43147, 63061, 82975, 215735, 315305, 819793, 1078675, 1576525, 4098965, 20494825]

約数ペア:

[(1, 20494825), (5, 4098965), (13, 1576525), (19, 1078675), (25, 819793), (65, 315305), (95, 215735), (247, 82975), (325, 63061), (475, 43147), (1235, 16595), (3319, 6175)]