20002890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1459}}^1$

素因数の和:1926

約数の個数: 32

約数和(自身を含む): 48144960

約数和(自身を除く): 28142070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 457, 914, 1371, 1459, 2285, 2742, 2918, 4377, 4570, 6855, 7295, 8754, 13710, 14590, 21885, 43770, 666763, 1333526, 2000289, 3333815, 4000578, 6667630, 10001445, 20002890]

約数ペア:

[(1, 20002890), (2, 10001445), (3, 6667630), (5, 4000578), (6, 3333815), (10, 2000289), (15, 1333526), (30, 666763), (457, 43770), (914, 21885), (1371, 14590), (1459, 13710), (2285, 8754), (2742, 7295), (2918, 6855), (4377, 4570)]