63920380

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{2221}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 134386560

約数和(自身を除く): 70466180

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2221, 2878, 4442, 5756, 7195, 8884, 11105, 14390, 22210, 28780, 44420, 3196019, 6392038, 12784076, 15980095, 31960190, 63920380]

約数ペア:

[(1, 63920380), (2, 31960190), (4, 15980095), (5, 12784076), (10, 6392038), (20, 3196019), (1439, 44420), (2221, 28780), (2878, 22210), (4442, 14390), (5756, 11105), (7195, 8884)]