20181472

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9413}}^1$

素因数の和:9490

約数の個数: 24

約数和(自身を含む): 40329576

約数和(自身を除く): 20148104

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9413, 18826, 37652, 75304, 150608, 301216, 630671, 1261342, 2522684, 5045368, 10090736, 20181472]

約数ペア:

[(1, 20181472), (2, 10090736), (4, 5045368), (8, 2522684), (16, 1261342), (32, 630671), (67, 301216), (134, 150608), (268, 75304), (536, 37652), (1072, 18826), (2144, 9413)]