20755966

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2616

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 18808322

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 154, 371, 583, 742, 1166, 2543, 4081, 5086, 8162, 17801, 27973, 35602, 55946, 134779, 195811, 269558, 391622, 943453, 1482569, 1886906, 2965138, 10377983, 20755966]

約数ペア:

[(1, 20755966), (2, 10377983), (7, 2965138), (11, 1886906), (14, 1482569), (22, 943453), (53, 391622), (77, 269558), (106, 195811), (154, 134779), (371, 55946), (583, 35602), (742, 27973), (1166, 17801), (2543, 8162), (4081, 5086)]