20498056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{150721}}^1$

素因数の和:150744

約数の個数: 16

約数和(自身を含む): 40694940

約数和(自身を除く): 20196884

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 150721, 301442, 602884, 1205768, 2562257, 5124514, 10249028, 20498056]

約数ペア:

[(1, 20498056), (2, 10249028), (4, 5124514), (8, 2562257), (17, 1205768), (34, 602884), (68, 301442), (136, 150721)]