20451810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681727}}^1$

素因数の和:681737

約数の個数: 16

約数和(自身を含む): 49084416

約数和(自身を除く): 28632606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681727, 1363454, 2045181, 3408635, 4090362, 6817270, 10225905, 20451810]

約数ペア:

[(1, 20451810), (2, 10225905), (3, 6817270), (5, 4090362), (6, 3408635), (10, 2045181), (15, 1363454), (30, 681727)]