20210705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5059}}^1$

素因数の和:5128

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 6020335

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 5059, 25295, 86003, 237773, 430015, 1188865, 4042141, 20210705]

約数ペア:

[(1, 20210705), (5, 4042141), (17, 1188865), (47, 430015), (85, 237773), (235, 86003), (799, 25295), (3995, 5059)]