20975671

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 23207040

約数和(自身を除く): 2231369

約数列:

[1, 17, 29, 157, 271, 493, 2669, 4553, 4607, 7859, 42547, 77401, 133603, 723299, 1233863, 20975671]

約数ペア:

[(1, 20975671), (17, 1233863), (29, 723299), (157, 133603), (271, 77401), (493, 42547), (2669, 7859), (4553, 4607)]