20802570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23911}}^1$

素因数の和:23950

約数の個数: 32

約数和(自身を含む): 51649920

約数和(自身を除く): 30847350

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 23911, 47822, 71733, 119555, 143466, 239110, 358665, 693419, 717330, 1386838, 2080257, 3467095, 4160514, 6934190, 10401285, 20802570]

約数ペア:

[(1, 20802570), (2, 10401285), (3, 6934190), (5, 4160514), (6, 3467095), (10, 2080257), (15, 1386838), (29, 717330), (30, 693419), (58, 358665), (87, 239110), (145, 143466), (174, 119555), (290, 71733), (435, 47822), (870, 23911)]