20512019972

素因数分解:

$2^2\times {\mathrm{1187}}^1\times {\mathrm{1871}}^1\times {\mathrm{2309}}^1$

素因数の和:5371

約数の個数: 24

約数和(自身を含む): 35961045120

約数和(自身を除く): 15449025148

約数列:

[1, 2, 4, 1187, 1871, 2309, 2374, 3742, 4618, 4748, 7484, 9236, 2220877, 2740783, 4320139, 4441754, 5481566, 8640278, 8883508, 10963132, 17280556, 5128004993, 10256009986, 20512019972]

約数ペア:

[(1, 20512019972), (2, 10256009986), (4, 5128004993), (1187, 17280556), (1871, 10963132), (2309, 8883508), (2374, 8640278), (3742, 5481566), (4618, 4441754), (4748, 4320139), (7484, 2740783), (9236, 2220877)]