20959136

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5413}}^1$

素因数の和:5445

約数の個数: 36

約数和(自身を含む): 45363906

約数和(自身を除く): 24404770

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5413, 10826, 21652, 43304, 59543, 86608, 119086, 173216, 238172, 476344, 654973, 952688, 1309946, 1905376, 2619892, 5239784, 10479568, 20959136]

約数ペア:

[(1, 20959136), (2, 10479568), (4, 5239784), (8, 2619892), (11, 1905376), (16, 1309946), (22, 952688), (32, 654973), (44, 476344), (88, 238172), (121, 173216), (176, 119086), (242, 86608), (352, 59543), (484, 43304), (968, 21652), (1936, 10826), (3872, 5413)]