20986585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6673}}^1$

素因数の和:6732

約数の個数: 16

約数和(自身を含む): 27390096

約数和(自身を除く): 6403511

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6673, 33365, 113441, 246901, 567205, 1234505, 4197317, 20986585]

約数ペア:

[(1, 20986585), (5, 4197317), (17, 1234505), (37, 567205), (85, 246901), (185, 113441), (629, 33365), (3145, 6673)]