20736999

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40423}}^1$

素因数の和:40451

約数の個数: 16

約数和(自身を含む): 32339200

約数和(自身を除く): 11602201

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40423, 121269, 363807, 768037, 1091421, 2304111, 6912333, 20736999]

約数ペア:

[(1, 20736999), (3, 6912333), (9, 2304111), (19, 1091421), (27, 768037), (57, 363807), (171, 121269), (513, 40423)]