20495243

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 22464000

約数和(自身を除く): 1968757

約数列:

[1, 19, 47, 59, 389, 893, 1121, 2773, 7391, 18283, 22951, 52687, 347377, 436069, 1078697, 20495243]

約数ペア:

[(1, 20495243), (19, 1078697), (47, 436069), (59, 347377), (389, 52687), (893, 22951), (1121, 18283), (2773, 7391)]