20662376

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1531}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 44489280

約数和(自身を除く): 23826904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1531, 1687, 1928, 3062, 3374, 6124, 6748, 10717, 12248, 13496, 21434, 42868, 85736, 368971, 737942, 1475884, 2582797, 2951768, 5165594, 10331188, 20662376]

約数ペア:

[(1, 20662376), (2, 10331188), (4, 5165594), (7, 2951768), (8, 2582797), (14, 1475884), (28, 737942), (56, 368971), (241, 85736), (482, 42868), (964, 21434), (1531, 13496), (1687, 12248), (1928, 10717), (3062, 6748), (3374, 6124)]