20257304

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18217}}^1$

素因数の和:18362

約数の個数: 16

約数和(自身を含む): 38257800

約数和(自身を除く): 18000496

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18217, 36434, 72868, 145736, 2532163, 5064326, 10128652, 20257304]

約数ペア:

[(1, 20257304), (2, 10128652), (4, 5064326), (8, 2532163), (139, 145736), (278, 72868), (556, 36434), (1112, 18217)]