20856333

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1511}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 7883763

約数列:

[1, 3, 43, 107, 129, 321, 1511, 4533, 4601, 13803, 64973, 161677, 194919, 485031, 6952111, 20856333]

約数ペア:

[(1, 20856333), (3, 6952111), (43, 485031), (107, 194919), (129, 161677), (321, 64973), (1511, 13803), (4533, 4601)]