20348030192

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{912959}}^1$

素因数の和:913173

約数の個数: 40

約数和(自身を含む): 45282816000

約数和(自身を除く): 24934785808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 3184, 5572, 11144, 22288, 912959, 1825918, 3651836, 6390713, 7303672, 12781426, 14607344, 25562852, 51125704, 102251408, 181678841, 363357682, 726715364, 1271751887, 1453430728, 2543503774, 2906861456, 5087007548, 10174015096, 20348030192]

約数ペア:

[(1, 20348030192), (2, 10174015096), (4, 5087007548), (7, 2906861456), (8, 2543503774), (14, 1453430728), (16, 1271751887), (28, 726715364), (56, 363357682), (112, 181678841), (199, 102251408), (398, 51125704), (796, 25562852), (1393, 14607344), (1592, 12781426), (2786, 7303672), (3184, 6390713), (5572, 3651836), (11144, 1825918), (22288, 912959)]