20039929

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{631}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 24774400

約数和(自身を除く): 4734471

約数列:

[1, 7, 13, 91, 349, 631, 2443, 4417, 4537, 8203, 31759, 57421, 220219, 1541533, 2862847, 20039929]

約数ペア:

[(1, 20039929), (7, 2862847), (13, 1541533), (91, 220219), (349, 57421), (631, 31759), (2443, 8203), (4417, 4537)]