20567709

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40093}}^1$

素因数の和:40121

約数の個数: 16

約数和(自身を含む): 32075200

約数和(自身を除く): 11507491

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40093, 120279, 360837, 761767, 1082511, 2285301, 6855903, 20567709]

約数ペア:

[(1, 20567709), (3, 6855903), (9, 2285301), (19, 1082511), (27, 761767), (57, 360837), (171, 120279), (513, 40093)]