20206115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2671}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 25971840

約数和(自身を除く): 5765725

約数列:

[1, 5, 17, 85, 89, 445, 1513, 2671, 7565, 13355, 45407, 227035, 237719, 1188595, 4041223, 20206115]

約数ペア:

[(1, 20206115), (5, 4041223), (17, 1188595), (85, 237719), (89, 227035), (445, 45407), (1513, 13355), (2671, 7565)]