20108945

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 25139280

約数和(自身を除く): 5030335

約数列:

[1, 5, 37, 73, 185, 365, 1489, 2701, 7445, 13505, 55093, 108697, 275465, 543485, 4021789, 20108945]

約数ペア:

[(1, 20108945), (5, 4021789), (37, 543485), (73, 275465), (185, 108697), (365, 55093), (1489, 13505), (2701, 7445)]