20697831

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29867}}^1$

素因数の和:29891

約数の個数: 24

約数和(自身を含む): 37275264

約数和(自身を除く): 16577433

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29867, 89601, 209069, 268803, 328537, 627207, 985611, 1881621, 2299759, 2956833, 6899277, 20697831]

約数ペア:

[(1, 20697831), (3, 6899277), (7, 2956833), (9, 2299759), (11, 1881621), (21, 985611), (33, 627207), (63, 328537), (77, 268803), (99, 209069), (231, 89601), (693, 29867)]