20019786

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{12983}}^1$

素因数の和:13245

約数の個数: 16

約数和(自身を含む): 40198464

約数和(自身を除く): 20178678

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 12983, 25966, 38949, 77898, 3336631, 6673262, 10009893, 20019786]

約数ペア:

[(1, 20019786), (2, 10009893), (3, 6673262), (6, 3336631), (257, 77898), (514, 38949), (771, 25966), (1542, 12983)]