20569694

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8521}}^1$

素因数の和:8611

約数の個数: 16

約数和(自身を含む): 33133536

約数和(自身を除く): 12563842

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8521, 17042, 144857, 289714, 604991, 1209982, 10284847, 20569694]

約数ペア:

[(1, 20569694), (2, 10284847), (17, 1209982), (34, 604991), (71, 289714), (142, 144857), (1207, 17042), (2414, 8521)]