20212448978

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{481501}}^1$

素因数の和:481793

約数の個数: 16

約数和(自身を含む): 30739087680

約数和(自身を除く): 10526638702

約数列:

[1, 2, 139, 151, 278, 302, 20989, 41978, 481501, 963002, 66928639, 72706651, 133857278, 145413302, 10106224489, 20212448978]

約数ペア:

[(1, 20212448978), (2, 10106224489), (139, 145413302), (151, 133857278), (278, 72706651), (302, 66928639), (20989, 963002), (41978, 481501)]