20816595

素因数分解:

$3^6\times 5^1\times {\mathrm{5711}}^1$

素因数の和:5734

約数の個数: 28

約数和(自身を含む): 37459296

約数和(自身を除く): 16642701

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5711, 17133, 28555, 51399, 85665, 154197, 256995, 462591, 770985, 1387773, 2312955, 4163319, 6938865, 20816595]

約数ペア:

[(1, 20816595), (3, 6938865), (5, 4163319), (9, 2312955), (15, 1387773), (27, 770985), (45, 462591), (81, 256995), (135, 154197), (243, 85665), (405, 51399), (729, 28555), (1215, 17133), (3645, 5711)]