20185564257

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{673}}^1\times {\mathrm{1061}}^1$

素因数の和:2095

約数の個数: 40

約数和(自身を含む): 30313621800

約数和(自身を除く): 10128057543

約数列:

[1, 3, 9, 27, 81, 349, 673, 1047, 1061, 2019, 3141, 3183, 6057, 9423, 9549, 18171, 28269, 28647, 54513, 85941, 234877, 370289, 704631, 714053, 1110867, 2113893, 2142159, 3332601, 6341679, 6426477, 9997803, 19025037, 19279431, 29993409, 57838293, 249204497, 747613491, 2242840473, 6728521419, 20185564257]

約数ペア:

[(1, 20185564257), (3, 6728521419), (9, 2242840473), (27, 747613491), (81, 249204497), (349, 57838293), (673, 29993409), (1047, 19279431), (1061, 19025037), (2019, 9997803), (3141, 6426477), (3183, 6341679), (6057, 3332601), (9423, 2142159), (9549, 2113893), (18171, 1110867), (28269, 714053), (28647, 704631), (54513, 370289), (85941, 234877)]