20354510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9739}}^1$

素因数の和:9776

約数の個数: 32

約数和(自身を含む): 42076800

約数和(自身を除く): 21722290

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9739, 19478, 48695, 97390, 107129, 185041, 214258, 370082, 535645, 925205, 1071290, 1850410, 2035451, 4070902, 10177255, 20354510]

約数ペア:

[(1, 20354510), (2, 10177255), (5, 4070902), (10, 2035451), (11, 1850410), (19, 1071290), (22, 925205), (38, 535645), (55, 370082), (95, 214258), (110, 185041), (190, 107129), (209, 97390), (418, 48695), (1045, 19478), (2090, 9739)]