20570391

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4337}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 32482944

約数和(自身を除く): 11912553

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4337, 4743, 13011, 39033, 73729, 134447, 221187, 403341, 663561, 1210023, 2285599, 6856797, 20570391]

約数ペア:

[(1, 20570391), (3, 6856797), (9, 2285599), (17, 1210023), (31, 663561), (51, 403341), (93, 221187), (153, 134447), (279, 73729), (527, 39033), (1581, 13011), (4337, 4743)]