20202615

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:701

約数の個数: 40

約数和(自身を含む): 36712368

約数和(自身を除く): 16509753

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 601, 747, 1245, 1803, 2241, 3005, 3735, 5409, 6723, 9015, 11205, 16227, 27045, 33615, 48681, 49883, 81135, 149649, 243405, 249415, 448947, 748245, 1346841, 2244735, 4040523, 6734205, 20202615]

約数ペア:

[(1, 20202615), (3, 6734205), (5, 4040523), (9, 2244735), (15, 1346841), (27, 748245), (45, 448947), (81, 249415), (83, 243405), (135, 149649), (249, 81135), (405, 49883), (415, 48681), (601, 33615), (747, 27045), (1245, 16227), (1803, 11205), (2241, 9015), (3005, 6723), (3735, 5409)]