20831090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{569}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 43009920

約数和(自身を除く): 22178830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 523, 569, 1046, 1138, 2615, 2845, 3661, 3983, 5230, 5690, 7322, 7966, 18305, 19915, 36610, 39830, 297587, 595174, 1487935, 2083109, 2975870, 4166218, 10415545, 20831090]

約数ペア:

[(1, 20831090), (2, 10415545), (5, 4166218), (7, 2975870), (10, 2083109), (14, 1487935), (35, 595174), (70, 297587), (523, 39830), (569, 36610), (1046, 19915), (1138, 18305), (2615, 7966), (2845, 7322), (3661, 5690), (3983, 5230)]