20121946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1747}}^1$

素因数の和:2205

約数の個数: 16

約数和(自身を含む): 32596704

約数和(自身を除く): 12474758

約数列:

[1, 2, 13, 26, 443, 886, 1747, 3494, 5759, 11518, 22711, 45422, 773921, 1547842, 10060973, 20121946]

約数ペア:

[(1, 20121946), (2, 10060973), (13, 1547842), (26, 773921), (443, 45422), (886, 22711), (1747, 11518), (3494, 5759)]