20009709

素因数分解:

$3^2\times {\mathrm{421}}^1\times {\mathrm{5281}}^1$

素因数の和:5708

約数の個数: 12

約数和(自身を含む): 28977052

約数和(自身を除く): 8967343

約数列:

[1, 3, 9, 421, 1263, 3789, 5281, 15843, 47529, 2223301, 6669903, 20009709]

約数ペア:

[(1, 20009709), (3, 6669903), (9, 2223301), (421, 47529), (1263, 15843), (3789, 5281)]