20687546882

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1\times {\mathrm{257263}}^1$

素因数の和:258593

約数の個数: 16

約数和(自身を含む): 32057152512

約数和(自身を除く): 11369605630

約数列:

[1, 2, 31, 62, 1297, 2594, 40207, 80414, 257263, 514526, 7975153, 15950306, 333670111, 667340222, 10343773441, 20687546882]

約数ペア:

[(1, 20687546882), (2, 10343773441), (31, 667340222), (62, 333670111), (1297, 15950306), (2594, 7975153), (40207, 514526), (80414, 257263)]