16820912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1137

約数の個数: 40

約数和(自身を含む): 34831104

約数和(自身を除く): 18010192

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1063, 1978, 2126, 3956, 4252, 7912, 8504, 15824, 17008, 24449, 45709, 48898, 91418, 97796, 182836, 195592, 365672, 391184, 731344, 1051307, 2102614, 4205228, 8410456, 16820912]

約数ペア:

[(1, 16820912), (2, 8410456), (4, 4205228), (8, 2102614), (16, 1051307), (23, 731344), (43, 391184), (46, 365672), (86, 195592), (92, 182836), (172, 97796), (184, 91418), (344, 48898), (368, 45709), (688, 24449), (989, 17008), (1063, 15824), (1978, 8504), (2126, 7912), (3956, 4252)]