20432885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19553}}^1$

素因数の和:19588

約数の個数: 16

約数和(自身を含む): 28157760

約数和(自身を除く): 7724875

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19553, 97765, 215083, 371507, 1075415, 1857535, 4086577, 20432885]

約数ペア:

[(1, 20432885), (5, 4086577), (11, 1857535), (19, 1075415), (55, 371507), (95, 215083), (209, 97765), (1045, 19553)]