20766548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5303}}^1$

素因数の和:5407

約数の個数: 24

約数和(自身を含む): 40098240

約数和(自身を除く): 19331692

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5303, 10606, 21212, 58333, 116666, 233332, 471967, 943934, 1887868, 5191637, 10383274, 20766548]

約数ペア:

[(1, 20766548), (2, 10383274), (4, 5191637), (11, 1887868), (22, 943934), (44, 471967), (89, 233332), (178, 116666), (356, 58333), (979, 21212), (1958, 10606), (3916, 5303)]