20742316

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1621}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 41601056

約数和(自身を除く): 20858740

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1621, 1828, 3199, 3242, 6398, 6484, 11347, 12796, 22694, 45388, 740797, 1481594, 2963188, 5185579, 10371158, 20742316]

約数ペア:

[(1, 20742316), (2, 10371158), (4, 5185579), (7, 2963188), (14, 1481594), (28, 740797), (457, 45388), (914, 22694), (1621, 12796), (1828, 11347), (3199, 6484), (3242, 6398)]