20214140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10007}}^1$

素因数の和:10117

約数の個数: 24

約数和(自身を含む): 42874272

約数和(自身を除く): 22660132

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10007, 20014, 40028, 50035, 100070, 200140, 1010707, 2021414, 4042828, 5053535, 10107070, 20214140]

約数ペア:

[(1, 20214140), (2, 10107070), (4, 5053535), (5, 4042828), (10, 2021414), (20, 1010707), (101, 200140), (202, 100070), (404, 50035), (505, 40028), (1010, 20014), (2020, 10007)]