201647020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245911}}^1$

素因数の和:245961

約数の個数: 24

約数和(自身を含む): 433788768

約数和(自身を除く): 232141748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245911, 491822, 983644, 1229555, 2459110, 4918220, 10082351, 20164702, 40329404, 50411755, 100823510, 201647020]

約数ペア:

[(1, 201647020), (2, 100823510), (4, 50411755), (5, 40329404), (10, 20164702), (20, 10082351), (41, 4918220), (82, 2459110), (164, 1229555), (205, 983644), (410, 491822), (820, 245911)]