20235904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12161}}^1$

素因数の和:12188

約数の個数: 32

約数和(自身を含む): 43418340

約数和(自身を除く): 23182436

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12161, 24322, 48644, 97288, 158093, 194576, 316186, 389152, 632372, 778304, 1264744, 1556608, 2529488, 5058976, 10117952, 20235904]

約数ペア:

[(1, 20235904), (2, 10117952), (4, 5058976), (8, 2529488), (13, 1556608), (16, 1264744), (26, 778304), (32, 632372), (52, 389152), (64, 316186), (104, 194576), (128, 158093), (208, 97288), (416, 48644), (832, 24322), (1664, 12161)]