20565153

素因数分解:

$3^2\times 7^2\times {\mathrm{46633}}^1$

素因数の和:46653

約数の個数: 18

約数和(自身を含む): 34555794

約数和(自身を除く): 13990641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46633, 139899, 326431, 419697, 979293, 2285017, 2937879, 6855051, 20565153]

約数ペア:

[(1, 20565153), (3, 6855051), (7, 2937879), (9, 2285017), (21, 979293), (49, 419697), (63, 326431), (147, 139899), (441, 46633)]