20422025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2027}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 28164864

約数和(自身を除く): 7742839

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 2027, 10075, 10135, 26351, 50675, 62837, 131755, 314185, 658775, 816881, 1570925, 4084405, 20422025]

約数ペア:

[(1, 20422025), (5, 4084405), (13, 1570925), (25, 816881), (31, 658775), (65, 314185), (155, 131755), (325, 62837), (403, 50675), (775, 26351), (2015, 10135), (2027, 10075)]