20804244

素因数分解:

$2^2\times 3^1\times {\mathrm{809}}^1\times {\mathrm{2143}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 48625920

約数和(自身を除く): 27821676

約数列:

[1, 2, 3, 4, 6, 12, 809, 1618, 2143, 2427, 3236, 4286, 4854, 6429, 8572, 9708, 12858, 25716, 1733687, 3467374, 5201061, 6934748, 10402122, 20804244]

約数ペア:

[(1, 20804244), (2, 10402122), (3, 6934748), (4, 5201061), (6, 3467374), (12, 1733687), (809, 25716), (1618, 12858), (2143, 9708), (2427, 8572), (3236, 6429), (4286, 4854)]