20762421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 29985120

約数和(自身を除く): 9222699

約数列:

[1, 3, 19, 43, 57, 129, 197, 591, 817, 1849, 2451, 3743, 5547, 8471, 11229, 25413, 35131, 105393, 160949, 364253, 482847, 1092759, 6920807, 20762421]

約数ペア:

[(1, 20762421), (3, 6920807), (19, 1092759), (43, 482847), (57, 364253), (129, 160949), (197, 105393), (591, 35131), (817, 25413), (1849, 11229), (2451, 8471), (3743, 5547)]