20921345

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 25878528

約数和(自身を除く): 4957183

約数列:

[1, 5, 47, 127, 235, 635, 701, 3505, 5969, 29845, 32947, 89027, 164735, 445135, 4184269, 20921345]

約数ペア:

[(1, 20921345), (5, 4184269), (47, 445135), (127, 164735), (235, 89027), (635, 32947), (701, 29845), (3505, 5969)]