20169916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2143}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 38240384

約数和(自身を除く): 18070468

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2143, 2353, 4286, 4706, 8572, 9412, 27859, 55718, 111436, 387883, 775766, 1551532, 5042479, 10084958, 20169916]

約数ペア:

[(1, 20169916), (2, 10084958), (4, 5042479), (13, 1551532), (26, 775766), (52, 387883), (181, 111436), (362, 55718), (724, 27859), (2143, 9412), (2353, 8572), (4286, 4706)]