20787806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11261}}^1$

素因数の和:11347

約数の個数: 16

約数和(自身を含む): 34056288

約数和(自身を除く): 13268482

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11261, 22522, 146393, 292786, 799531, 1599062, 10393903, 20787806]

約数ペア:

[(1, 20787806), (2, 10393903), (13, 1599062), (26, 799531), (71, 292786), (142, 146393), (923, 22522), (1846, 11261)]