20145888910

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5873437}}^1$

素因数の和:5873465

約数の個数: 32

約数和(自身を含む): 42288753600

約数和(自身を除く): 22142864690

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5873437, 11746874, 29367185, 41114059, 58734370, 82228118, 205570295, 287798413, 411140590, 575596826, 1438992065, 2014588891, 2877984130, 4029177782, 10072944455, 20145888910]

約数ペア:

[(1, 20145888910), (2, 10072944455), (5, 4029177782), (7, 2877984130), (10, 2014588891), (14, 1438992065), (35, 575596826), (49, 411140590), (70, 287798413), (98, 205570295), (245, 82228118), (343, 58734370), (490, 41114059), (686, 29367185), (1715, 11746874), (3430, 5873437)]