20451930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681731}}^1$

素因数の和:681741

約数の個数: 16

約数和(自身を含む): 49084704

約数和(自身を除く): 28632774

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681731, 1363462, 2045193, 3408655, 4090386, 6817310, 10225965, 20451930]

約数ペア:

[(1, 20451930), (2, 10225965), (3, 6817310), (5, 4090386), (6, 3408655), (10, 2045193), (15, 1363462), (30, 681731)]