20490498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{162623}}^1$

素因数の和:162638

約数の個数: 24

約数和(自身を含む): 50738688

約数和(自身を除く): 30248190

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 162623, 325246, 487869, 975738, 1138361, 1463607, 2276722, 2927214, 3415083, 6830166, 10245249, 20490498]

約数ペア:

[(1, 20490498), (2, 10245249), (3, 6830166), (6, 3415083), (7, 2927214), (9, 2276722), (14, 1463607), (18, 1138361), (21, 975738), (42, 487869), (63, 325246), (126, 162623)]