20343204920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6966851}}^1$

素因数の和:6966935

約数の個数: 32

約数和(自身を含む): 46399234320

約数和(自身を除く): 26056029400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6966851, 13933702, 27867404, 34834255, 55734808, 69668510, 139337020, 278674040, 508580123, 1017160246, 2034320492, 2542900615, 4068640984, 5085801230, 10171602460, 20343204920]

約数ペア:

[(1, 20343204920), (2, 10171602460), (4, 5085801230), (5, 4068640984), (8, 2542900615), (10, 2034320492), (20, 1017160246), (40, 508580123), (73, 278674040), (146, 139337020), (292, 69668510), (365, 55734808), (584, 34834255), (730, 27867404), (1460, 13933702), (2920, 6966851)]