20168018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 14741038

約数列:

[1, 2, 13, 17, 26, 34, 103, 206, 221, 442, 443, 886, 1339, 1751, 2678, 3502, 5759, 7531, 11518, 15062, 22763, 45526, 45629, 91258, 97903, 195806, 593177, 775693, 1186354, 1551386, 10084009, 20168018]

約数ペア:

[(1, 20168018), (2, 10084009), (13, 1551386), (17, 1186354), (26, 775693), (34, 593177), (103, 195806), (206, 97903), (221, 91258), (442, 45629), (443, 45526), (886, 22763), (1339, 15062), (1751, 11518), (2678, 7531), (3502, 5759)]