20597931

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2207}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 32033664

約数和(自身を除く): 11435733

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 2207, 3111, 6621, 9333, 19863, 37519, 112557, 134627, 337671, 403881, 1211643, 2288659, 6865977, 20597931]

約数ペア:

[(1, 20597931), (3, 6865977), (9, 2288659), (17, 1211643), (51, 403881), (61, 337671), (153, 134627), (183, 112557), (549, 37519), (1037, 19863), (2207, 9333), (3111, 6621)]