20325230639

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^2\times {\mathrm{563}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 24541941120

約数和(自身を除く): 4216710481

約数列:

[1, 7, 19, 133, 521, 563, 3647, 3941, 9899, 10697, 69293, 74879, 271441, 293323, 1900087, 2053261, 5157379, 5573137, 36101653, 39011959, 152821283, 1069748981, 2903604377, 20325230639]

約数ペア:

[(1, 20325230639), (7, 2903604377), (19, 1069748981), (133, 152821283), (521, 39011959), (563, 36101653), (3647, 5573137), (3941, 5157379), (9899, 2053261), (10697, 1900087), (69293, 293323), (74879, 271441)]