20813442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266839}}^1$

素因数の和:266857

約数の個数: 16

約数和(自身を含む): 44829120

約数和(自身を除く): 24015678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266839, 533678, 800517, 1601034, 3468907, 6937814, 10406721, 20813442]

約数ペア:

[(1, 20813442), (2, 10406721), (3, 6937814), (6, 3468907), (13, 1601034), (26, 800517), (39, 533678), (78, 266839)]