20504547

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10499}}^1$

素因数の和:10543

約数の個数: 24

約数和(自身を含む): 34944000

約数和(自身を除く): 14439453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10499, 31497, 73493, 94491, 220479, 325469, 661437, 976407, 2278283, 2929221, 6834849, 20504547]

約数ペア:

[(1, 20504547), (3, 6834849), (7, 2929221), (9, 2278283), (21, 976407), (31, 661437), (63, 325469), (93, 220479), (217, 94491), (279, 73493), (651, 31497), (1953, 10499)]