20674551

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1697}}^1$

素因数の和:1862

約数の個数: 16

約数和(自身を含む): 28689408

約数和(自身を除く): 8014857

約数列:

[1, 3, 31, 93, 131, 393, 1697, 4061, 5091, 12183, 52607, 157821, 222307, 666921, 6891517, 20674551]

約数ペア:

[(1, 20674551), (3, 6891517), (31, 666921), (93, 222307), (131, 157821), (393, 52607), (1697, 12183), (4061, 5091)]