20896443

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 33143760

約数和(自身を除く): 12247317

約数列:

[1, 3, 9, 23, 29, 59, 69, 87, 177, 207, 261, 531, 667, 1357, 1711, 2001, 3481, 4071, 5133, 6003, 10443, 12213, 15399, 31329, 39353, 80063, 100949, 118059, 240189, 302847, 354177, 720567, 908541, 2321827, 6965481, 20896443]

約数ペア:

[(1, 20896443), (3, 6965481), (9, 2321827), (23, 908541), (29, 720567), (59, 354177), (69, 302847), (87, 240189), (177, 118059), (207, 100949), (261, 80063), (531, 39353), (667, 31329), (1357, 15399), (1711, 12213), (2001, 10443), (3481, 6003), (4071, 5133)]