20201477972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5437}}^1\times {\mathrm{71453}}^1$

素因数の和:76907

約数の個数: 24

約数和(自身を含む): 38079551496

約数和(自身を除く): 17878073524

約数列:

[1, 2, 4, 13, 26, 52, 5437, 10874, 21748, 70681, 71453, 141362, 142906, 282724, 285812, 928889, 1857778, 3715556, 388489961, 776979922, 1553959844, 5050369493, 10100738986, 20201477972]

約数ペア:

[(1, 20201477972), (2, 10100738986), (4, 5050369493), (13, 1553959844), (26, 776979922), (52, 388489961), (5437, 3715556), (10874, 1857778), (21748, 928889), (70681, 285812), (71453, 282724), (141362, 142906)]