20164557518

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1061}}^1\times {\mathrm{2179}}^1$

素因数の和:3345

約数の個数: 48

約数和(自身を含む): 35630312400

約数和(自身を除く): 15465754882

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1061, 1246, 2122, 2179, 4358, 4361, 7427, 8722, 14854, 15253, 30506, 51989, 94429, 103978, 106771, 188858, 193931, 213542, 387862, 661003, 1322006, 1357517, 2311919, 2715034, 4623838, 4627021, 9254042, 9502619, 16183433, 19005238, 32366866, 113284031, 205760791, 226568062, 411521582, 1440325537, 2880651074, 10082278759, 20164557518]

約数ペア:

[(1, 20164557518), (2, 10082278759), (7, 2880651074), (14, 1440325537), (49, 411521582), (89, 226568062), (98, 205760791), (178, 113284031), (623, 32366866), (1061, 19005238), (1246, 16183433), (2122, 9502619), (2179, 9254042), (4358, 4627021), (4361, 4623838), (7427, 2715034), (8722, 2311919), (14854, 1357517), (15253, 1322006), (30506, 661003), (51989, 387862), (94429, 213542), (103978, 193931), (106771, 188858)]