20643434

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 36564480

約数和(自身を除く): 15921046

約数列:

[1, 2, 7, 14, 47, 94, 137, 229, 274, 329, 458, 658, 959, 1603, 1918, 3206, 6439, 10763, 12878, 21526, 31373, 45073, 62746, 75341, 90146, 150682, 219611, 439222, 1474531, 2949062, 10321717, 20643434]

約数ペア:

[(1, 20643434), (2, 10321717), (7, 2949062), (14, 1474531), (47, 439222), (94, 219611), (137, 150682), (229, 90146), (274, 75341), (329, 62746), (458, 45073), (658, 31373), (959, 21526), (1603, 12878), (1918, 10763), (3206, 6439)]