20396882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2801}}^1$

素因数の和:3145

約数の個数: 16

約数和(自身を含む): 33489504

約数和(自身を除く): 13092622

約数列:

[1, 2, 11, 22, 331, 662, 2801, 3641, 5602, 7282, 30811, 61622, 927131, 1854262, 10198441, 20396882]

約数ペア:

[(1, 20396882), (2, 10198441), (11, 1854262), (22, 927131), (331, 61622), (662, 30811), (2801, 7282), (3641, 5602)]