20352728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5641}}^1$

素因数の和:5699

約数の個数: 32

約数和(自身を含む): 42653520

約数和(自身を除く): 22300792

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5641, 11282, 22564, 45128, 62051, 124102, 231281, 248204, 462562, 496408, 925124, 1850248, 2544091, 5088182, 10176364, 20352728]

約数ペア:

[(1, 20352728), (2, 10176364), (4, 5088182), (8, 2544091), (11, 1850248), (22, 925124), (41, 496408), (44, 462562), (82, 248204), (88, 231281), (164, 124102), (328, 62051), (451, 45128), (902, 22564), (1804, 11282), (3608, 5641)]