20992433

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 29548800

約数和(自身を除く): 8556367

約数列:

[1, 7, 11, 17, 29, 49, 77, 79, 119, 187, 203, 319, 493, 539, 553, 833, 869, 1309, 1343, 1421, 2233, 2291, 3451, 3871, 5423, 6083, 9163, 9401, 14773, 15631, 16037, 24157, 25201, 37961, 38947, 42581, 65807, 103411, 112259, 176407, 265727, 272629, 428417, 723877, 1234849, 1908403, 2998919, 20992433]

約数ペア:

[(1, 20992433), (7, 2998919), (11, 1908403), (17, 1234849), (29, 723877), (49, 428417), (77, 272629), (79, 265727), (119, 176407), (187, 112259), (203, 103411), (319, 65807), (493, 42581), (539, 38947), (553, 37961), (833, 25201), (869, 24157), (1309, 16037), (1343, 15631), (1421, 14773), (2233, 9401), (2291, 9163), (3451, 6083), (3871, 5423)]