20429050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 40053240

約数和(自身を除く): 19624190

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 73, 145, 146, 193, 290, 365, 386, 725, 730, 965, 1450, 1825, 1930, 2117, 3650, 4234, 4825, 5597, 9650, 10585, 11194, 14089, 21170, 27985, 28178, 52925, 55970, 70445, 105850, 139925, 140890, 279850, 352225, 408581, 704450, 817162, 2042905, 4085810, 10214525, 20429050]

約数ペア:

[(1, 20429050), (2, 10214525), (5, 4085810), (10, 2042905), (25, 817162), (29, 704450), (50, 408581), (58, 352225), (73, 279850), (145, 140890), (146, 139925), (193, 105850), (290, 70445), (365, 55970), (386, 52925), (725, 28178), (730, 27985), (965, 21170), (1450, 14089), (1825, 11194), (1930, 10585), (2117, 9650), (3650, 5597), (4234, 4825)]