20902206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1549}}^1$

素因数の和:1740

約数の個数: 32

約数和(自身を含む): 45309600

約数和(自身を除く): 24407394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1549, 2249, 3098, 4498, 4647, 6747, 9294, 13494, 20137, 40274, 60411, 120822, 267977, 535954, 803931, 1607862, 3483701, 6967402, 10451103, 20902206]

約数ペア:

[(1, 20902206), (2, 10451103), (3, 6967402), (6, 3483701), (13, 1607862), (26, 803931), (39, 535954), (78, 267977), (173, 120822), (346, 60411), (519, 40274), (1038, 20137), (1549, 13494), (2249, 9294), (3098, 6747), (4498, 4647)]