20346885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34781}}^1$

素因数の和:34805

約数の個数: 24

約数和(自身を含む): 37981944

約数和(自身を除く): 17635059

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34781, 104343, 173905, 313029, 452153, 521715, 1356459, 1565145, 2260765, 4069377, 6782295, 20346885]

約数ペア:

[(1, 20346885), (3, 6782295), (5, 4069377), (9, 2260765), (13, 1565145), (15, 1356459), (39, 521715), (45, 452153), (65, 313029), (117, 173905), (195, 104343), (585, 34781)]