200780420

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{14321}}^1$

素因数の和:15031

約数の個数: 24

約数和(自身を含む): 422269848

約数和(自身を除く): 221489428

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 7010, 14020, 14321, 28642, 57284, 71605, 143210, 286420, 10039021, 20078042, 40156084, 50195105, 100390210, 200780420]

約数ペア:

[(1, 200780420), (2, 100390210), (4, 50195105), (5, 40156084), (10, 20078042), (20, 10039021), (701, 286420), (1402, 143210), (2804, 71605), (3505, 57284), (7010, 28642), (14020, 14321)]