20538992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75511}}^1$

素因数の和:75536

約数の個数: 20

約数和(自身を含む): 42135696

約数和(自身を除く): 21596704

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75511, 151022, 302044, 604088, 1208176, 1283687, 2567374, 5134748, 10269496, 20538992]

約数ペア:

[(1, 20538992), (2, 10269496), (4, 5134748), (8, 2567374), (16, 1283687), (17, 1208176), (34, 604088), (68, 302044), (136, 151022), (272, 75511)]