20402170

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 38325888

約数和(自身を除く): 17923718

約数列:

[1, 2, 5, 10, 37, 67, 74, 134, 185, 335, 370, 670, 823, 1646, 2479, 4115, 4958, 8230, 12395, 24790, 30451, 55141, 60902, 110282, 152255, 275705, 304510, 551410, 2040217, 4080434, 10201085, 20402170]

約数ペア:

[(1, 20402170), (2, 10201085), (5, 4080434), (10, 2040217), (37, 551410), (67, 304510), (74, 275705), (134, 152255), (185, 110282), (335, 60902), (370, 55141), (670, 30451), (823, 24790), (1646, 12395), (2479, 8230), (4115, 4958)]