20386785

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15271}}^1$

素因数の和:15368

約数の個数: 16

約数和(自身を含む): 32987520

約数和(自身を除く): 12600735

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 15271, 45813, 76355, 229065, 1359119, 4077357, 6795595, 20386785]

約数ペア:

[(1, 20386785), (3, 6795595), (5, 4077357), (15, 1359119), (89, 229065), (267, 76355), (445, 45813), (1335, 15271)]