20792442064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68396191}}^1$

素因数の和:68396218

約数の個数: 20

約数和(自身を含む): 42405639040

約数和(自身を除く): 21613196976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68396191, 136792382, 273584764, 547169528, 1094339056, 1299527629, 2599055258, 5198110516, 10396221032, 20792442064]

約数ペア:

[(1, 20792442064), (2, 10396221032), (4, 5198110516), (8, 2599055258), (16, 1299527629), (19, 1094339056), (38, 547169528), (76, 273584764), (152, 136792382), (304, 68396191)]