20491702

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19009}}^1$

素因数の和:19036

約数の個数: 24

約数和(自身を含む): 39008520

約数和(自身を除く): 18516818

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19009, 38018, 133063, 209099, 266126, 418198, 931441, 1463693, 1862882, 2927386, 10245851, 20491702]

約数ペア:

[(1, 20491702), (2, 10245851), (7, 2927386), (11, 1862882), (14, 1463693), (22, 931441), (49, 418198), (77, 266126), (98, 209099), (154, 133063), (539, 38018), (1078, 19009)]