20926450

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{3011}}^1$

素因数の和:3162

約数の個数: 24

約数和(自身を含む): 39216240

約数和(自身を除く): 18289790

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3011, 3475, 6022, 6950, 15055, 30110, 75275, 150550, 418529, 837058, 2092645, 4185290, 10463225, 20926450]

約数ペア:

[(1, 20926450), (2, 10463225), (5, 4185290), (10, 2092645), (25, 837058), (50, 418529), (139, 150550), (278, 75275), (695, 30110), (1390, 15055), (3011, 6950), (3475, 6022)]