20403896

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62207}}^1$

素因数の和:62254

約数の個数: 16

約数和(自身を含む): 39191040

約数和(自身を除く): 18787144

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62207, 124414, 248828, 497656, 2550487, 5100974, 10201948, 20403896]

約数ペア:

[(1, 20403896), (2, 10201948), (4, 5100974), (8, 2550487), (41, 497656), (82, 248828), (164, 124414), (328, 62207)]