20698461

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6199}}^1$

素因数の和:6265

約数の個数: 24

約数和(自身を含む): 34819200

約数和(自身を除く): 14120739

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6199, 18597, 43393, 55791, 130179, 328547, 390537, 985641, 2299829, 2956923, 6899487, 20698461]

約数ペア:

[(1, 20698461), (3, 6899487), (7, 2956923), (9, 2299829), (21, 985641), (53, 390537), (63, 328547), (159, 130179), (371, 55791), (477, 43393), (1113, 18597), (3339, 6199)]