202117540

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{8999}}^1$

素因数の和:10131

約数の個数: 24

約数和(自身を含む): 424872000

約数和(自身を除く): 222754460

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 8999, 11230, 17998, 22460, 35996, 44995, 89990, 179980, 10105877, 20211754, 40423508, 50529385, 101058770, 202117540]

約数ペア:

[(1, 202117540), (2, 101058770), (4, 50529385), (5, 40423508), (10, 20211754), (20, 10105877), (1123, 179980), (2246, 89990), (4492, 44995), (5615, 35996), (8999, 22460), (11230, 17998)]