20567823

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4943}}^1$

素因数の和:5038

約数の個数: 16

約数和(自身を含む): 29268480

約数和(自身を除く): 8700657

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 4943, 14829, 93917, 281751, 360839, 1082517, 6855941, 20567823]

約数ペア:

[(1, 20567823), (3, 6855941), (19, 1082517), (57, 360839), (73, 281751), (219, 93917), (1387, 14829), (4161, 4943)]