20470425

素因数分解:

$3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1429}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 34045440

約数和(自身を除く): 13575015

約数列:

[1, 3, 5, 15, 25, 75, 191, 573, 955, 1429, 2865, 4287, 4775, 7145, 14325, 21435, 35725, 107175, 272939, 818817, 1364695, 4094085, 6823475, 20470425]

約数ペア:

[(1, 20470425), (3, 6823475), (5, 4094085), (15, 1364695), (25, 818817), (75, 272939), (191, 107175), (573, 35725), (955, 21435), (1429, 14325), (2865, 7145), (4287, 4775)]