20389631785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{39827}}^1$

素因数の和:40185

約数の個数: 32

約数和(自身を含む): 27357056640

約数和(自身を除く): 6967424855

約数列:

[1, 5, 17, 19, 85, 95, 317, 323, 1585, 1615, 5389, 6023, 26945, 30115, 39827, 102391, 199135, 511955, 677059, 756713, 3385295, 3783565, 12625159, 12864121, 63125795, 64320605, 214627703, 239878021, 1073138515, 1199390105, 4077926357, 20389631785]

約数ペア:

[(1, 20389631785), (5, 4077926357), (17, 1199390105), (19, 1073138515), (85, 239878021), (95, 214627703), (317, 64320605), (323, 63125795), (1585, 12864121), (1615, 12625159), (5389, 3783565), (6023, 3385295), (26945, 756713), (30115, 677059), (39827, 511955), (102391, 199135)]