20519492

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12421}}^1$

素因数の和:12491

約数の個数: 24

約数和(自身を含む): 41737920

約数和(自身を除く): 21218428

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12421, 24842, 49684, 86947, 173894, 347788, 732839, 1465678, 2931356, 5129873, 10259746, 20519492]

約数ペア:

[(1, 20519492), (2, 10259746), (4, 5129873), (7, 2931356), (14, 1465678), (28, 732839), (59, 347788), (118, 173894), (236, 86947), (413, 49684), (826, 24842), (1652, 12421)]