20987718098

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2207}}^1\times {\mathrm{250253}}^1$

素因数の和:252481

約数の個数: 16

約数和(自身を含む): 33153649920

約数和(自身を除く): 12165931822

約数列:

[1, 2, 19, 38, 2207, 4414, 41933, 83866, 250253, 500506, 4754807, 9509614, 552308371, 1104616742, 10493859049, 20987718098]

約数ペア:

[(1, 20987718098), (2, 10493859049), (19, 1104616742), (38, 552308371), (2207, 9509614), (4414, 4754807), (41933, 500506), (83866, 250253)]