20729079

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3697}}^1$

素因数の和:3799

約数の個数: 24

約数和(自身を含む): 34613280

約数和(自身を除く): 13884201

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3697, 5607, 11091, 25879, 33273, 77637, 232911, 329033, 987099, 2303231, 2961297, 6909693, 20729079]

約数ペア:

[(1, 20729079), (3, 6909693), (7, 2961297), (9, 2303231), (21, 987099), (63, 329033), (89, 232911), (267, 77637), (623, 33273), (801, 25879), (1869, 11091), (3697, 5607)]