207813980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{944609}}^1$

素因数の和:944629

約数の個数: 24

約数和(自身を含む): 476083440

約数和(自身を除く): 268269460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 944609, 1889218, 3778436, 4723045, 9446090, 10390699, 18892180, 20781398, 41562796, 51953495, 103906990, 207813980]

約数ペア:

[(1, 207813980), (2, 103906990), (4, 51953495), (5, 41562796), (10, 20781398), (11, 18892180), (20, 10390699), (22, 9446090), (44, 4723045), (55, 3778436), (110, 1889218), (220, 944609)]