20860920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57947}}^1$

素因数の和:57964

約数の個数: 48

約数和(自身を含む): 67799160

約数和(自身を除く): 46938240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57947, 115894, 173841, 231788, 289735, 347682, 463576, 521523, 579470, 695364, 869205, 1043046, 1158940, 1390728, 1738410, 2086092, 2317880, 2607615, 3476820, 4172184, 5215230, 6953640, 10430460, 20860920]

約数ペア:

[(1, 20860920), (2, 10430460), (3, 6953640), (4, 5215230), (5, 4172184), (6, 3476820), (8, 2607615), (9, 2317880), (10, 2086092), (12, 1738410), (15, 1390728), (18, 1158940), (20, 1043046), (24, 869205), (30, 695364), (36, 579470), (40, 521523), (45, 463576), (60, 347682), (72, 289735), (90, 231788), (120, 173841), (180, 115894), (360, 57947)]