16620490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 14898230

約数列:

[1, 2, 5, 10, 23, 46, 115, 127, 230, 254, 569, 635, 1138, 1270, 2845, 2921, 5690, 5842, 13087, 14605, 26174, 29210, 65435, 72263, 130870, 144526, 361315, 722630, 1662049, 3324098, 8310245, 16620490]

約数ペア:

[(1, 16620490), (2, 8310245), (5, 3324098), (10, 1662049), (23, 722630), (46, 361315), (115, 144526), (127, 130870), (230, 72263), (254, 65435), (569, 29210), (635, 26174), (1138, 14605), (1270, 13087), (2845, 5842), (2921, 5690)]