20129031455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{506837}}^1$

素因数の和:506915

約数の個数: 24

約数和(自身を含む): 26712389952

約数和(自身を除く): 6583358497

約数列:

[1, 5, 13, 47, 65, 169, 235, 611, 845, 3055, 7943, 39715, 506837, 2534185, 6588881, 23821339, 32944405, 85655453, 119106695, 309677407, 428277265, 1548387035, 4025806291, 20129031455]

約数ペア:

[(1, 20129031455), (5, 4025806291), (13, 1548387035), (47, 428277265), (65, 309677407), (169, 119106695), (235, 85655453), (611, 32944405), (845, 23821339), (3055, 6588881), (7943, 2534185), (39715, 506837)]