20406028

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{124427}}^1$

素因数の和:124472

約数の個数: 12

約数和(自身を含む): 36581832

約数和(自身を除く): 16175804

約数列:

[1, 2, 4, 41, 82, 164, 124427, 248854, 497708, 5101507, 10203014, 20406028]

約数ペア:

[(1, 20406028), (2, 10203014), (4, 5101507), (41, 497708), (82, 248854), (164, 124427)]