20115855730

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4778113}}^1$

素因数の和:4778541

約数の個数: 16

約数和(自身を含む): 36294553944

約数和(自身を除く): 16178698214

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4778113, 9556226, 23890565, 47781130, 2011585573, 4023171146, 10057927865, 20115855730]

約数ペア:

[(1, 20115855730), (2, 10057927865), (5, 4023171146), (10, 2011585573), (421, 47781130), (842, 23890565), (2105, 9556226), (4210, 4778113)]