20199059986

素因数分解:

$2^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1035743}}^1$

素因数の和:1035958

約数の個数: 24

約数和(自身を含む): 35422444800

約数和(自身を除く): 15223384814

約数列:

[1, 2, 7, 14, 49, 98, 199, 398, 1393, 2786, 9751, 19502, 1035743, 2071486, 7250201, 14500402, 50751407, 101502814, 206112857, 412225714, 1442789999, 2885579998, 10099529993, 20199059986]

約数ペア:

[(1, 20199059986), (2, 10099529993), (7, 2885579998), (14, 1442789999), (49, 412225714), (98, 206112857), (199, 101502814), (398, 50751407), (1393, 14500402), (2786, 7250201), (9751, 2071486), (19502, 1035743)]