20780112902

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1\times {\mathrm{238397}}^1$

素因数の和:239503

約数の個数: 16

約数和(自身を含む): 31960589472

約数和(自身を除く): 11180476570

約数列:

[1, 2, 41, 82, 1063, 2126, 43583, 87166, 238397, 476794, 9774277, 19548554, 253416011, 506832022, 10390056451, 20780112902]

約数ペア:

[(1, 20780112902), (2, 10390056451), (41, 506832022), (82, 253416011), (1063, 19548554), (2126, 9774277), (43583, 476794), (87166, 238397)]