20021193

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 30650880

約数和(自身を除く): 10629687

約数列:

[1, 3, 9, 19, 57, 171, 191, 573, 613, 1719, 1839, 3629, 5517, 10887, 11647, 32661, 34941, 104823, 117083, 351249, 1053747, 2224577, 6673731, 20021193]

約数ペア:

[(1, 20021193), (3, 6673731), (9, 2224577), (19, 1053747), (57, 351249), (171, 117083), (191, 104823), (573, 34941), (613, 32661), (1719, 11647), (1839, 10887), (3629, 5517)]