20161876

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3229}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 40517120

約数和(自身を除く): 20355244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 3229, 6244, 6458, 12916, 22603, 45206, 90412, 720067, 1440134, 2880268, 5040469, 10080938, 20161876]

約数ペア:

[(1, 20161876), (2, 10080938), (4, 5040469), (7, 2880268), (14, 1440134), (28, 720067), (223, 90412), (446, 45206), (892, 22603), (1561, 12916), (3122, 6458), (3229, 6244)]