20955254

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 35168256

約数和(自身を除く): 14213002

約数列:

[1, 2, 17, 23, 34, 46, 127, 211, 254, 391, 422, 782, 2159, 2921, 3587, 4318, 4853, 5842, 7174, 9706, 26797, 49657, 53594, 82501, 99314, 165002, 455549, 616331, 911098, 1232662, 10477627, 20955254]

約数ペア:

[(1, 20955254), (2, 10477627), (17, 1232662), (23, 911098), (34, 616331), (46, 455549), (127, 165002), (211, 99314), (254, 82501), (391, 53594), (422, 49657), (782, 26797), (2159, 9706), (2921, 7174), (3587, 5842), (4318, 4853)]