20622581

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 26758080

約数和(自身を除く): 6135499

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 1303, 2261, 9121, 15827, 22151, 24757, 63847, 155057, 173299, 420869, 1085399, 1213093, 2946083, 20622581]

約数ペア:

[(1, 20622581), (7, 2946083), (17, 1213093), (19, 1085399), (49, 420869), (119, 173299), (133, 155057), (323, 63847), (833, 24757), (931, 22151), (1303, 15827), (2261, 9121)]