20201789531

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{111217}}^1$

素因数の和:111579

約数の個数: 24

約数和(自身を含む): 25712711856

約数和(自身を除く): 5510922325

約数列:

[1, 7, 11, 49, 77, 337, 539, 2359, 3707, 16513, 25949, 111217, 181643, 778519, 1223387, 5449633, 8563709, 37480129, 59945963, 262360903, 412281419, 1836526321, 2885969933, 20201789531]

約数ペア:

[(1, 20201789531), (7, 2885969933), (11, 1836526321), (49, 412281419), (77, 262360903), (337, 59945963), (539, 37480129), (2359, 8563709), (3707, 5449633), (16513, 1223387), (25949, 778519), (111217, 181643)]