20390810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{185371}}^1$

素因数の和:185389

約数の個数: 16

約数和(自身を含む): 40040352

約数和(自身を除く): 19649542

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 185371, 370742, 926855, 1853710, 2039081, 4078162, 10195405, 20390810]

約数ペア:

[(1, 20390810), (2, 10195405), (5, 4078162), (10, 2039081), (11, 1853710), (22, 926855), (55, 370742), (110, 185371)]