202203980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{919109}}^1$

素因数の和:919129

約数の個数: 24

約数和(自身を含む): 463231440

約数和(自身を除く): 261027460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 919109, 1838218, 3676436, 4595545, 9191090, 10110199, 18382180, 20220398, 40440796, 50550995, 101101990, 202203980]

約数ペア:

[(1, 202203980), (2, 101101990), (4, 50550995), (5, 40440796), (10, 20220398), (11, 18382180), (20, 10110199), (22, 9191090), (44, 4595545), (55, 3676436), (110, 1838218), (220, 919109)]