20216402017

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{443}}^1\times {\mathrm{11789}}^1$

素因数の和:12325

約数の個数: 24

約数和(自身を含む): 23870505600

約数和(自身を除く): 3654103583

約数列:

[1, 7, 49, 79, 443, 553, 3101, 3871, 11789, 21707, 34997, 82523, 244979, 577661, 931331, 1714853, 5222527, 6519317, 36557689, 45635219, 255903823, 412579633, 2888057431, 20216402017]

約数ペア:

[(1, 20216402017), (7, 2888057431), (49, 412579633), (79, 255903823), (443, 45635219), (553, 36557689), (3101, 6519317), (3871, 5222527), (11789, 1714853), (21707, 931331), (34997, 577661), (82523, 244979)]