20193102705

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1\times {\mathrm{17881}}^1$

素因数の和:18921

約数の個数: 32

約数和(自身を含む): 32754101760

約数和(自身を除く): 12560999055

約数列:

[1, 3, 5, 15, 79, 237, 395, 953, 1185, 2859, 4765, 14295, 17881, 53643, 75287, 89405, 225861, 268215, 376435, 1129305, 1412599, 4237797, 7062995, 17040593, 21188985, 51121779, 85202965, 255608895, 1346206847, 4038620541, 6731034235, 20193102705]

約数ペア:

[(1, 20193102705), (3, 6731034235), (5, 4038620541), (15, 1346206847), (79, 255608895), (237, 85202965), (395, 51121779), (953, 21188985), (1185, 17040593), (2859, 7062995), (4765, 4237797), (14295, 1412599), (17881, 1129305), (53643, 376435), (75287, 268215), (89405, 225861)]