20131625180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52977961}}^1$

素因数の和:52977989

約数の個数: 24

約数和(自身を含む): 44501488080

約数和(自身を除く): 24369862900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52977961, 105955922, 211911844, 264889805, 529779610, 1006581259, 1059559220, 2013162518, 4026325036, 5032906295, 10065812590, 20131625180]

約数ペア:

[(1, 20131625180), (2, 10065812590), (4, 5032906295), (5, 4026325036), (10, 2013162518), (19, 1059559220), (20, 1006581259), (38, 529779610), (76, 264889805), (95, 211911844), (190, 105955922), (380, 52977961)]