20658662

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13555738

約数列:

[1, 2, 19, 38, 43, 47, 86, 94, 269, 538, 817, 893, 1634, 1786, 2021, 4042, 5111, 10222, 11567, 12643, 23134, 25286, 38399, 76798, 219773, 240217, 439546, 480434, 543649, 1087298, 10329331, 20658662]

約数ペア:

[(1, 20658662), (2, 10329331), (19, 1087298), (38, 543649), (43, 480434), (47, 439546), (86, 240217), (94, 219773), (269, 76798), (538, 38399), (817, 25286), (893, 23134), (1634, 12643), (1786, 11567), (2021, 10222), (4042, 5111)]