20992743

素因数分解:

$3^3\times {\mathrm{409}}^1\times {\mathrm{1901}}^1$

素因数の和:2319

約数の個数: 16

約数和(自身を含む): 31192800

約数和(自身を除く): 10200057

約数列:

[1, 3, 9, 27, 409, 1227, 1901, 3681, 5703, 11043, 17109, 51327, 777509, 2332527, 6997581, 20992743]

約数ペア:

[(1, 20992743), (3, 6997581), (9, 2332527), (27, 777509), (409, 51327), (1227, 17109), (1901, 11043), (3681, 5703)]