20954302

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 14469698

約数列:

[1, 2, 17, 19, 34, 38, 163, 199, 323, 326, 398, 646, 2771, 3097, 3383, 3781, 5542, 6194, 6766, 7562, 32437, 52649, 64277, 64874, 105298, 128554, 551429, 616303, 1102858, 1232606, 10477151, 20954302]

約数ペア:

[(1, 20954302), (2, 10477151), (17, 1232606), (19, 1102858), (34, 616303), (38, 551429), (163, 128554), (199, 105298), (323, 64874), (326, 64277), (398, 52649), (646, 32437), (2771, 7562), (3097, 6766), (3383, 6194), (3781, 5542)]