20398324618

素因数分解:

$2^1\times 7^1\times {\mathrm{5839}}^1\times {\mathrm{249533}}^1$

素因数の和:255381

約数の個数: 16

約数和(自身を含む): 34974685440

約数和(自身を除く): 14576360822

約数列:

[1, 2, 7, 14, 5839, 11678, 40873, 81746, 249533, 499066, 1746731, 3493462, 1457023187, 2914046374, 10199162309, 20398324618]

約数ペア:

[(1, 20398324618), (2, 10199162309), (7, 2914046374), (14, 1457023187), (5839, 3493462), (11678, 1746731), (40873, 499066), (81746, 249533)]