20565795

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59611}}^1$

素因数の和:59642

約数の個数: 16

約数和(自身を含む): 34336512

約数和(自身を除く): 13770717

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59611, 178833, 298055, 894165, 1371053, 4113159, 6855265, 20565795]

約数ペア:

[(1, 20565795), (3, 6855265), (5, 4113159), (15, 1371053), (23, 894165), (69, 298055), (115, 178833), (345, 59611)]