20856770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1567}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 41319936

約数和(自身を除く): 20463166

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1567, 2662, 3134, 6655, 7835, 13310, 15670, 17237, 34474, 86185, 172370, 189607, 379214, 948035, 1896070, 2085677, 4171354, 10428385, 20856770]

約数ペア:

[(1, 20856770), (2, 10428385), (5, 4171354), (10, 2085677), (11, 1896070), (22, 948035), (55, 379214), (110, 189607), (121, 172370), (242, 86185), (605, 34474), (1210, 17237), (1331, 15670), (1567, 13310), (2662, 7835), (3134, 6655)]