20211005983

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1\times {\mathrm{1019}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 24493708800

約数和(自身を除く): 4282702817

約数列:

[1, 7, 19, 133, 197, 757, 1019, 1379, 3743, 5299, 7133, 14383, 19361, 26201, 100681, 135527, 149129, 200743, 771383, 1043903, 1405201, 2833451, 3814117, 5399681, 14656277, 19834157, 26698819, 102593939, 151962451, 1063737157, 2887286569, 20211005983]

約数ペア:

[(1, 20211005983), (7, 2887286569), (19, 1063737157), (133, 151962451), (197, 102593939), (757, 26698819), (1019, 19834157), (1379, 14656277), (3743, 5399681), (5299, 3814117), (7133, 2833451), (14383, 1405201), (19361, 1043903), (26201, 771383), (100681, 200743), (135527, 149129)]