20930565

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2111}}^1$

素因数の和:2780

約数の個数: 16

約数和(自身を含む): 33555456

約数和(自身を除く): 12624891

約数列:

[1, 3, 5, 15, 661, 1983, 2111, 3305, 6333, 9915, 10555, 31665, 1395371, 4186113, 6976855, 20930565]

約数ペア:

[(1, 20930565), (3, 6976855), (5, 4186113), (15, 1395371), (661, 31665), (1983, 10555), (2111, 9915), (3305, 6333)]