15203980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69109}}^1$

素因数の和:69129

約数の個数: 24

約数和(自身を含む): 34831440

約数和(自身を除く): 19627460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 69109, 138218, 276436, 345545, 691090, 760199, 1382180, 1520398, 3040796, 3800995, 7601990, 15203980]

約数ペア:

[(1, 15203980), (2, 7601990), (4, 3800995), (5, 3040796), (10, 1520398), (11, 1382180), (20, 760199), (22, 691090), (44, 345545), (55, 276436), (110, 138218), (220, 69109)]