20007847780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52652231}}^1$

素因数の和:52652259

約数の個数: 24

約数和(自身を含む): 44227874880

約数和(自身を除く): 24220027100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52652231, 105304462, 210608924, 263261155, 526522310, 1000392389, 1053044620, 2000784778, 4001569556, 5001961945, 10003923890, 20007847780]

約数ペア:

[(1, 20007847780), (2, 10003923890), (4, 5001961945), (5, 4001569556), (10, 2000784778), (19, 1053044620), (20, 1000392389), (38, 526522310), (76, 263261155), (95, 210608924), (190, 105304462), (380, 52652231)]