20990992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119267}}^1$

素因数の和:119286

約数の個数: 20

約数和(自身を含む): 44367696

約数和(自身を除く): 23376704

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119267, 238534, 477068, 954136, 1311937, 1908272, 2623874, 5247748, 10495496, 20990992]

約数ペア:

[(1, 20990992), (2, 10495496), (4, 5247748), (8, 2623874), (11, 1908272), (16, 1311937), (22, 954136), (44, 477068), (88, 238534), (176, 119267)]