204513980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{929609}}^1$

素因数の和:929629

約数の個数: 24

約数和(自身を含む): 468523440

約数和(自身を除く): 264009460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 929609, 1859218, 3718436, 4648045, 9296090, 10225699, 18592180, 20451398, 40902796, 51128495, 102256990, 204513980]

約数ペア:

[(1, 204513980), (2, 102256990), (4, 51128495), (5, 40902796), (10, 20451398), (11, 18592180), (20, 10225699), (22, 9296090), (44, 4648045), (55, 3718436), (110, 1859218), (220, 929609)]