20780112906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3111727}}^1$

素因数の和:3111795

約数の個数: 48

約数和(自身を含む): 52426393344

約数和(自身を除く): 31646280438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3339, 6678, 3111727, 6223454, 9335181, 18670362, 21782089, 28005543, 43564178, 56011086, 65346267, 130692534, 164921531, 196038801, 329843062, 392077602, 494764593, 989529186, 1154450717, 1484293779, 2308901434, 2968587558, 3463352151, 6926704302, 10390056453, 20780112906]

約数ペア:

[(1, 20780112906), (2, 10390056453), (3, 6926704302), (6, 3463352151), (7, 2968587558), (9, 2308901434), (14, 1484293779), (18, 1154450717), (21, 989529186), (42, 494764593), (53, 392077602), (63, 329843062), (106, 196038801), (126, 164921531), (159, 130692534), (318, 65346267), (371, 56011086), (477, 43564178), (742, 28005543), (954, 21782089), (1113, 18670362), (2226, 9335181), (3339, 6223454), (6678, 3111727)]