20850166078

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8009}}^1\times {\mathrm{9787}}^1$

素因数の和:17824

約数の個数: 32

約数和(自身を含む): 37632902400

約数和(自身を除く): 16782736322

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 8009, 9787, 16018, 19574, 56063, 68509, 112126, 137018, 152171, 185953, 304342, 371906, 1065197, 1301671, 2130394, 2603342, 78384083, 156768166, 548688581, 1097377162, 1489297577, 2978595154, 10425083039, 20850166078]

約数ペア:

[(1, 20850166078), (2, 10425083039), (7, 2978595154), (14, 1489297577), (19, 1097377162), (38, 548688581), (133, 156768166), (266, 78384083), (8009, 2603342), (9787, 2130394), (16018, 1301671), (19574, 1065197), (56063, 371906), (68509, 304342), (112126, 185953), (137018, 152171)]