20292171

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 29315664

約数和(自身を除く): 9023493

約数列:

[1, 3, 19, 41, 57, 123, 361, 457, 779, 1083, 1371, 2337, 8683, 14801, 18737, 26049, 44403, 56211, 164977, 356003, 494931, 1068009, 6764057, 20292171]

約数ペア:

[(1, 20292171), (3, 6764057), (19, 1068009), (41, 494931), (57, 356003), (123, 164977), (361, 56211), (457, 44403), (779, 26049), (1083, 18737), (1371, 14801), (2337, 8683)]