20630325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6397}}^1$

素因数の和:6453

約数の個数: 24

約数和(自身を含む): 34907488

約数和(自身を除く): 14277163

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6397, 19191, 31985, 95955, 159925, 275071, 479775, 825213, 1375355, 4126065, 6876775, 20630325]

約数ペア:

[(1, 20630325), (3, 6876775), (5, 4126065), (15, 1375355), (25, 825213), (43, 479775), (75, 275071), (129, 159925), (215, 95955), (645, 31985), (1075, 19191), (3225, 6397)]