20912786

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5717}}^1$

素因数の和:5809

約数の個数: 16

約数和(自身を含む): 32935680

約数和(自身を除く): 12022894

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5717, 11434, 177227, 337303, 354454, 674606, 10456393, 20912786]

約数ペア:

[(1, 20912786), (2, 10456393), (31, 674606), (59, 354454), (62, 337303), (118, 177227), (1829, 11434), (3658, 5717)]