20647572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{156421}}^1$

素因数の和:156439

約数の個数: 24

約数和(自身を含む): 52557792

約数和(自身を除く): 31910220

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 156421, 312842, 469263, 625684, 938526, 1720631, 1877052, 3441262, 5161893, 6882524, 10323786, 20647572]

約数ペア:

[(1, 20647572), (2, 10323786), (3, 6882524), (4, 5161893), (6, 3441262), (11, 1877052), (12, 1720631), (22, 938526), (33, 625684), (44, 469263), (66, 312842), (132, 156421)]