20276961

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4139}}^1$

素因数の和:4236

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 8338719

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4139, 4899, 12417, 95197, 285591, 293869, 881607, 6758987, 20276961]

約数ペア:

[(1, 20276961), (3, 6758987), (23, 881607), (69, 293869), (71, 285591), (213, 95197), (1633, 12417), (4139, 4899)]