20810812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5987}}^1$

素因数の和:6081

約数の個数: 24

約数和(自身を含む): 40239360

約数和(自身を除く): 19428548

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 5987, 11974, 23948, 65857, 131714, 263428, 472973, 945946, 1891892, 5202703, 10405406, 20810812]

約数ペア:

[(1, 20810812), (2, 10405406), (4, 5202703), (11, 1891892), (22, 945946), (44, 472973), (79, 263428), (158, 131714), (316, 65857), (869, 23948), (1738, 11974), (3476, 5987)]