16720488

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{883}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 45508320

約数和(自身を除く): 28787832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 883, 1052, 1578, 1766, 2104, 2367, 2649, 3156, 3532, 4734, 5298, 6312, 7064, 7947, 9468, 10596, 15894, 18936, 21192, 31788, 63576, 232229, 464458, 696687, 928916, 1393374, 1857832, 2090061, 2786748, 4180122, 5573496, 8360244, 16720488]

約数ペア:

[(1, 16720488), (2, 8360244), (3, 5573496), (4, 4180122), (6, 2786748), (8, 2090061), (9, 1857832), (12, 1393374), (18, 928916), (24, 696687), (36, 464458), (72, 232229), (263, 63576), (526, 31788), (789, 21192), (883, 18936), (1052, 15894), (1578, 10596), (1766, 9468), (2104, 7947), (2367, 7064), (2649, 6312), (3156, 5298), (3532, 4734)]