20002922912

素因数分解:

$2^5\times 7^1\times {\mathrm{353}}^1\times {\mathrm{252971}}^1$

素因数の和:253341

約数の個数: 48

約数和(自身を含む): 45134252352

約数和(自身を除く): 25131329440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 353, 706, 1412, 2471, 2824, 4942, 5648, 9884, 11296, 19768, 39536, 79072, 252971, 505942, 1011884, 1770797, 2023768, 3541594, 4047536, 7083188, 8095072, 14166376, 28332752, 56665504, 89298763, 178597526, 357195052, 625091341, 714390104, 1250182682, 1428780208, 2500365364, 2857560416, 5000730728, 10001461456, 20002922912]

約数ペア:

[(1, 20002922912), (2, 10001461456), (4, 5000730728), (7, 2857560416), (8, 2500365364), (14, 1428780208), (16, 1250182682), (28, 714390104), (32, 625091341), (56, 357195052), (112, 178597526), (224, 89298763), (353, 56665504), (706, 28332752), (1412, 14166376), (2471, 8095072), (2824, 7083188), (4942, 4047536), (5648, 3541594), (9884, 2023768), (11296, 1770797), (19768, 1011884), (39536, 505942), (79072, 252971)]