20745996

素因数分解:

$2^2\times 3^1\times {\mathrm{809}}^1\times {\mathrm{2137}}^1$

素因数の和:2953

約数の個数: 24

約数和(自身を含む): 48489840

約数和(自身を除く): 27743844

約数列:

[1, 2, 3, 4, 6, 12, 809, 1618, 2137, 2427, 3236, 4274, 4854, 6411, 8548, 9708, 12822, 25644, 1728833, 3457666, 5186499, 6915332, 10372998, 20745996]

約数ペア:

[(1, 20745996), (2, 10372998), (3, 6915332), (4, 5186499), (6, 3457666), (12, 1728833), (809, 25644), (1618, 12822), (2137, 9708), (2427, 8548), (3236, 6411), (4274, 4854)]