20257552

素因数分解:

$2^4\times 7^1\times {\mathrm{180871}}^1$

素因数の和:180886

約数の個数: 20

約数和(自身を含む): 44856256

約数和(自身を除く): 24598704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180871, 361742, 723484, 1266097, 1446968, 2532194, 2893936, 5064388, 10128776, 20257552]

約数ペア:

[(1, 20257552), (2, 10128776), (4, 5064388), (7, 2893936), (8, 2532194), (14, 1446968), (16, 1266097), (28, 723484), (56, 361742), (112, 180871)]