20931110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48677}}^1$

素因数の和:48727

約数の個数: 16

約数和(自身を含む): 38552976

約数和(自身を除く): 17621866

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48677, 97354, 243385, 486770, 2093111, 4186222, 10465555, 20931110]

約数ペア:

[(1, 20931110), (2, 10465555), (5, 4186222), (10, 2093111), (43, 486770), (86, 243385), (215, 97354), (430, 48677)]