20750985

素因数分解:

$3^6\times 5^1\times {\mathrm{5693}}^1$

素因数の和:5716

約数の個数: 28

約数和(自身を含む): 37341252

約数和(自身を除く): 16590267

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5693, 17079, 28465, 51237, 85395, 153711, 256185, 461133, 768555, 1383399, 2305665, 4150197, 6916995, 20750985]

約数ペア:

[(1, 20750985), (3, 6916995), (5, 4150197), (9, 2305665), (15, 1383399), (27, 768555), (45, 461133), (81, 256185), (135, 153711), (243, 85395), (405, 51237), (729, 28465), (1215, 17079), (3645, 5693)]