20486109

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 11689251

約数列:

[1, 3, 7, 21, 89, 97, 113, 267, 291, 339, 623, 679, 791, 1869, 2037, 2373, 8633, 10057, 10961, 25899, 30171, 32883, 60431, 70399, 76727, 181293, 211197, 230181, 975529, 2926587, 6828703, 20486109]

約数ペア:

[(1, 20486109), (3, 6828703), (7, 2926587), (21, 975529), (89, 230181), (97, 211197), (113, 181293), (267, 76727), (291, 70399), (339, 60431), (623, 32883), (679, 30171), (791, 25899), (1869, 10961), (2037, 10057), (2373, 8633)]