20681154

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2903

約数の個数: 48

約数和(自身を含む): 49830144

約数和(自身を除く): 29148990

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2851, 3627, 5702, 7254, 8553, 17106, 25659, 37063, 51318, 74126, 88381, 111189, 176762, 222378, 265143, 333567, 530286, 667134, 795429, 1148953, 1590858, 2297906, 3446859, 6893718, 10340577, 20681154]

約数ペア:

[(1, 20681154), (2, 10340577), (3, 6893718), (6, 3446859), (9, 2297906), (13, 1590858), (18, 1148953), (26, 795429), (31, 667134), (39, 530286), (62, 333567), (78, 265143), (93, 222378), (117, 176762), (186, 111189), (234, 88381), (279, 74126), (403, 51318), (558, 37063), (806, 25659), (1209, 17106), (2418, 8553), (2851, 7254), (3627, 5702)]