2000990896

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{70937}}^1$

素因数の和:71029

約数の個数: 40

約数和(自身を含む): 4063896144

約数和(自身を除く): 2062905248

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1763, 3526, 7052, 14104, 28208, 70937, 141874, 283748, 567496, 1134992, 2908417, 3050291, 5816834, 6100582, 11633668, 12201164, 23267336, 24402328, 46534672, 48804656, 125061931, 250123862, 500247724, 1000495448, 2000990896]

約数ペア:

[(1, 2000990896), (2, 1000495448), (4, 500247724), (8, 250123862), (16, 125061931), (41, 48804656), (43, 46534672), (82, 24402328), (86, 23267336), (164, 12201164), (172, 11633668), (328, 6100582), (344, 5816834), (656, 3050291), (688, 2908417), (1763, 1134992), (3526, 567496), (7052, 283748), (14104, 141874), (28208, 70937)]