20729764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11491}}^1$

素因数の和:11547

約数の個数: 24

約数和(自身を含む): 40543776

約数和(自身を除く): 19814012

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11491, 22982, 45964, 126401, 252802, 471131, 505604, 942262, 1884524, 5182441, 10364882, 20729764]

約数ペア:

[(1, 20729764), (2, 10364882), (4, 5182441), (11, 1884524), (22, 942262), (41, 505604), (44, 471131), (82, 252802), (164, 126401), (451, 45964), (902, 22982), (1804, 11491)]