20908710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8011}}^1$

素因数の和:8053

約数の個数: 48

約数和(自身を含む): 56244240

約数和(自身を除く): 35335530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8011, 16022, 24033, 40055, 48066, 72099, 80110, 120165, 144198, 232319, 240330, 360495, 464638, 696957, 720990, 1161595, 1393914, 2090871, 2323190, 3484785, 4181742, 6969570, 10454355, 20908710]

約数ペア:

[(1, 20908710), (2, 10454355), (3, 6969570), (5, 4181742), (6, 3484785), (9, 2323190), (10, 2090871), (15, 1393914), (18, 1161595), (29, 720990), (30, 696957), (45, 464638), (58, 360495), (87, 240330), (90, 232319), (145, 144198), (174, 120165), (261, 80110), (290, 72099), (435, 48066), (522, 40055), (870, 24033), (1305, 16022), (2610, 8011)]