20129811

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12589}}^1$

素因数の和:12646

約数の個数: 16

約数和(自身を含む): 29611680

約数和(自身を除く): 9481869

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12589, 37767, 163657, 490971, 516149, 1548447, 6709937, 20129811]

約数ペア:

[(1, 20129811), (3, 6709937), (13, 1548447), (39, 516149), (41, 490971), (123, 163657), (533, 37767), (1599, 12589)]