20667028

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 37183104

約数和(自身を除く): 16516076

約数列:

[1, 2, 4, 47, 94, 188, 211, 422, 521, 844, 1042, 2084, 9917, 19834, 24487, 39668, 48974, 97948, 109931, 219862, 439724, 5166757, 10333514, 20667028]

約数ペア:

[(1, 20667028), (2, 10333514), (4, 5166757), (47, 439724), (94, 219862), (188, 109931), (211, 97948), (422, 48974), (521, 39668), (844, 24487), (1042, 19834), (2084, 9917)]