20338870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17582090

約数列:

[1, 2, 5, 10, 41, 82, 113, 205, 226, 410, 439, 565, 878, 1130, 2195, 4390, 4633, 9266, 17999, 23165, 35998, 46330, 49607, 89995, 99214, 179990, 248035, 496070, 2033887, 4067774, 10169435, 20338870]

約数ペア:

[(1, 20338870), (2, 10169435), (5, 4067774), (10, 2033887), (41, 496070), (82, 248035), (113, 179990), (205, 99214), (226, 89995), (410, 49607), (439, 46330), (565, 35998), (878, 23165), (1130, 17999), (2195, 9266), (4390, 4633)]