20739045

素因数分解:

$3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3121}}^1$

素因数の和:3572

約数の個数: 16

約数和(自身を含む): 33268032

約数和(自身を除く): 12528987

約数列:

[1, 3, 5, 15, 443, 1329, 2215, 3121, 6645, 9363, 15605, 46815, 1382603, 4147809, 6913015, 20739045]

約数ペア:

[(1, 20739045), (3, 6913015), (5, 4147809), (15, 1382603), (443, 46815), (1329, 15605), (2215, 9363), (3121, 6645)]