20677518

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1294

約数の個数: 40

約数和(自身を含む): 46797960

約数和(自身を除く): 26120442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1171, 1962, 2342, 2943, 3513, 5886, 7026, 8829, 10539, 17658, 21078, 31617, 63234, 94851, 127639, 189702, 255278, 382917, 765834, 1148751, 2297502, 3446253, 6892506, 10338759, 20677518]

約数ペア:

[(1, 20677518), (2, 10338759), (3, 6892506), (6, 3446253), (9, 2297502), (18, 1148751), (27, 765834), (54, 382917), (81, 255278), (109, 189702), (162, 127639), (218, 94851), (327, 63234), (654, 31617), (981, 21078), (1171, 17658), (1962, 10539), (2342, 8829), (2943, 7026), (3513, 5886)]