20994874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{3491}}^1$

素因数の和:3621

約数の個数: 16

約数和(自身を含む): 32852736

約数和(自身を除く): 11857862

約数列:

[1, 2, 31, 62, 97, 194, 3007, 3491, 6014, 6982, 108221, 216442, 338627, 677254, 10497437, 20994874]

約数ペア:

[(1, 20994874), (2, 10497437), (31, 677254), (62, 338627), (97, 216442), (194, 108221), (3007, 6982), (3491, 6014)]