20784828

素因数分解:

$2^2\times 3^1\times {\mathrm{809}}^1\times {\mathrm{2141}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 48580560

約数和(自身を除く): 27795732

約数列:

[1, 2, 3, 4, 6, 12, 809, 1618, 2141, 2427, 3236, 4282, 4854, 6423, 8564, 9708, 12846, 25692, 1732069, 3464138, 5196207, 6928276, 10392414, 20784828]

約数ペア:

[(1, 20784828), (2, 10392414), (3, 6928276), (4, 5196207), (6, 3464138), (12, 1732069), (809, 25692), (1618, 12846), (2141, 9708), (2427, 8564), (3236, 6423), (4282, 4854)]