64446220

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{1933}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 135488304

約数和(自身を除く): 71042084

約数列:

[1, 2, 4, 5, 10, 20, 1667, 1933, 3334, 3866, 6668, 7732, 8335, 9665, 16670, 19330, 33340, 38660, 3222311, 6444622, 12889244, 16111555, 32223110, 64446220]

約数ペア:

[(1, 64446220), (2, 32223110), (4, 16111555), (5, 12889244), (10, 6444622), (20, 3222311), (1667, 38660), (1933, 33340), (3334, 19330), (3866, 16670), (6668, 9665), (7732, 8335)]