20181577

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 22570240

約数和(自身を除く): 2388663

約数列:

[1, 13, 43, 79, 457, 559, 1027, 3397, 5941, 19651, 36103, 44161, 255463, 469339, 1552429, 20181577]

約数ペア:

[(1, 20181577), (13, 1552429), (43, 469339), (79, 255463), (457, 44161), (559, 36103), (1027, 19651), (3397, 5941)]