20744157

素因数分解:

$3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1601}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 31681152

約数和(自身を除く): 10936995

約数列:

[1, 3, 7, 21, 617, 1601, 1851, 4319, 4803, 11207, 12957, 33621, 987817, 2963451, 6914719, 20744157]

約数ペア:

[(1, 20744157), (3, 6914719), (7, 2963451), (21, 987817), (617, 33621), (1601, 12957), (1851, 11207), (4319, 4803)]