20963916

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30649}}^1$

素因数の和:30678

約数の個数: 36

約数和(自身を含む): 55783000

約数和(自身を除く): 34819084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30649, 61298, 91947, 122596, 183894, 275841, 367788, 551682, 582331, 1103364, 1164662, 1746993, 2329324, 3493986, 5240979, 6987972, 10481958, 20963916]

約数ペア:

[(1, 20963916), (2, 10481958), (3, 6987972), (4, 5240979), (6, 3493986), (9, 2329324), (12, 1746993), (18, 1164662), (19, 1103364), (36, 582331), (38, 551682), (57, 367788), (76, 275841), (114, 183894), (171, 122596), (228, 91947), (342, 61298), (684, 30649)]