20785290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9491}}^1$

素因数の和:9574

約数の個数: 32

約数和(自身を含む): 50573376

約数和(自身を除く): 29788086

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9491, 18982, 28473, 47455, 56946, 94910, 142365, 284730, 692843, 1385686, 2078529, 3464215, 4157058, 6928430, 10392645, 20785290]

約数ペア:

[(1, 20785290), (2, 10392645), (3, 6928430), (5, 4157058), (6, 3464215), (10, 2078529), (15, 1385686), (30, 692843), (73, 284730), (146, 142365), (219, 94910), (365, 56946), (438, 47455), (730, 28473), (1095, 18982), (2190, 9491)]