67406420

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{3301}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 141735048

約数和(自身を除く): 74328628

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 3301, 4084, 5105, 6602, 10210, 13204, 16505, 20420, 33010, 66020, 3370321, 6740642, 13481284, 16851605, 33703210, 67406420]

約数ペア:

[(1, 67406420), (2, 33703210), (4, 16851605), (5, 13481284), (10, 6740642), (20, 3370321), (1021, 66020), (2042, 33010), (3301, 20420), (4084, 16505), (5105, 13204), (6602, 10210)]