20001906

素因数分解:

$2^1\times 3^2\times {\mathrm{617}}^1\times {\mathrm{1801}}^1$

素因数の和:2426

約数の個数: 24

約数和(自身を含む): 43431804

約数和(自身を除く): 23429898

約数列:

[1, 2, 3, 6, 9, 18, 617, 1234, 1801, 1851, 3602, 3702, 5403, 5553, 10806, 11106, 16209, 32418, 1111217, 2222434, 3333651, 6667302, 10000953, 20001906]

約数ペア:

[(1, 20001906), (2, 10000953), (3, 6667302), (6, 3333651), (9, 2222434), (18, 1111217), (617, 32418), (1234, 16209), (1801, 11106), (1851, 10806), (3602, 5553), (3702, 5403)]