20436891

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 27894048

約数和(自身を除く): 7457157

約数列:

[1, 3, 61, 181, 183, 543, 617, 1851, 11041, 33123, 37637, 111677, 112911, 335031, 6812297, 20436891]

約数ペア:

[(1, 20436891), (3, 6812297), (61, 335031), (181, 112911), (183, 111677), (543, 37637), (617, 33123), (1851, 11041)]