20792728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{853}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 42734160

約数和(自身を除く): 21941432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 277, 554, 853, 1108, 1706, 2216, 3047, 3412, 6094, 6824, 9383, 12188, 18766, 24376, 37532, 75064, 236281, 472562, 945124, 1890248, 2599091, 5198182, 10396364, 20792728]

約数ペア:

[(1, 20792728), (2, 10396364), (4, 5198182), (8, 2599091), (11, 1890248), (22, 945124), (44, 472562), (88, 236281), (277, 75064), (554, 37532), (853, 24376), (1108, 18766), (1706, 12188), (2216, 9383), (3047, 6824), (3412, 6094)]