20151796

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9859}}^1$

素因数の和:9943

約数の個数: 24

約数和(自身を含む): 40859840

約数和(自身を除く): 20708044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9859, 19718, 39436, 69013, 138026, 276052, 719707, 1439414, 2878828, 5037949, 10075898, 20151796]

約数ペア:

[(1, 20151796), (2, 10075898), (4, 5037949), (7, 2878828), (14, 1439414), (28, 719707), (73, 276052), (146, 138026), (292, 69013), (511, 39436), (1022, 19718), (2044, 9859)]