20698328

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11923}}^1$

素因数の和:11967

約数の個数: 32

約数和(自身を含む): 45788160

約数和(自身を除く): 25089832

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11923, 23846, 47692, 83461, 95384, 166922, 333844, 369613, 667688, 739226, 1478452, 2587291, 2956904, 5174582, 10349164, 20698328]

約数ペア:

[(1, 20698328), (2, 10349164), (4, 5174582), (7, 2956904), (8, 2587291), (14, 1478452), (28, 739226), (31, 667688), (56, 369613), (62, 333844), (124, 166922), (217, 95384), (248, 83461), (434, 47692), (868, 23846), (1736, 11923)]