20349219085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{4129}}^1\times {\mathrm{75821}}^1$

素因数の和:79968

約数の個数: 16

約数和(自身を含む): 26304168240

約数和(自身を除く): 5954949155

約数列:

[1, 5, 13, 65, 4129, 20645, 53677, 75821, 268385, 379105, 985673, 4928365, 313064909, 1565324545, 4069843817, 20349219085]

約数ペア:

[(1, 20349219085), (5, 4069843817), (13, 1565324545), (65, 313064909), (4129, 4928365), (20645, 985673), (53677, 379105), (75821, 268385)]