20191145356

素因数分解:

$2^2\times {\mathrm{991}}^1\times {\mathrm{2003}}^1\times {\mathrm{2543}}^1$

素因数の和:5541

約数の個数: 24

約数和(自身を含む): 35401734144

約数和(自身を除く): 15210588788

約数列:

[1, 2, 4, 991, 1982, 2003, 2543, 3964, 4006, 5086, 8012, 10172, 1984973, 2520113, 3969946, 5040226, 5093629, 7939892, 10080452, 10187258, 20374516, 5047786339, 10095572678, 20191145356]

約数ペア:

[(1, 20191145356), (2, 10095572678), (4, 5047786339), (991, 20374516), (1982, 10187258), (2003, 10080452), (2543, 7939892), (3964, 5093629), (4006, 5040226), (5086, 3969946), (8012, 2520113), (10172, 1984973)]