16720728

素因数分解:

$2^3\times 3^1\times {\mathrm{433}}^1\times {\mathrm{1609}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 41924400

約数和(自身を除く): 25203672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 433, 866, 1299, 1609, 1732, 2598, 3218, 3464, 4827, 5196, 6436, 9654, 10392, 12872, 19308, 38616, 696697, 1393394, 2090091, 2786788, 4180182, 5573576, 8360364, 16720728]

約数ペア:

[(1, 16720728), (2, 8360364), (3, 5573576), (4, 4180182), (6, 2786788), (8, 2090091), (12, 1393394), (24, 696697), (433, 38616), (866, 19308), (1299, 12872), (1609, 10392), (1732, 9654), (2598, 6436), (3218, 5196), (3464, 4827)]