20644238

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{929}}^1$

素因数の和:1243

約数の個数: 16

約数和(自身を含む): 31872960

約数和(自身を除く): 11228722

約数列:

[1, 2, 41, 82, 271, 542, 929, 1858, 11111, 22222, 38089, 76178, 251759, 503518, 10322119, 20644238]

約数ペア:

[(1, 20644238), (2, 10322119), (41, 503518), (82, 251759), (271, 76178), (542, 38089), (929, 22222), (1858, 11111)]