20958093

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 35498736

約数和(自身を除く): 14540643

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 257, 369, 533, 663, 697, 771, 1599, 1989, 2091, 2313, 3341, 4369, 4797, 6273, 9061, 10023, 10537, 13107, 27183, 30069, 31611, 39321, 56797, 81549, 94833, 136981, 170391, 179129, 410943, 511173, 537387, 1232829, 1612161, 2328677, 6986031, 20958093]

約数ペア:

[(1, 20958093), (3, 6986031), (9, 2328677), (13, 1612161), (17, 1232829), (39, 537387), (41, 511173), (51, 410943), (117, 179129), (123, 170391), (153, 136981), (221, 94833), (257, 81549), (369, 56797), (533, 39321), (663, 31611), (697, 30069), (771, 27183), (1599, 13107), (1989, 10537), (2091, 10023), (2313, 9061), (3341, 6273), (4369, 4797)]