20191947

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 7179573

約数列:

[1, 3, 131, 191, 269, 393, 573, 807, 25021, 35239, 51379, 75063, 105717, 154137, 6730649, 20191947]

約数ペア:

[(1, 20191947), (3, 6730649), (131, 154137), (191, 105717), (269, 75063), (393, 51379), (573, 35239), (807, 25021)]