20165624528

素因数分解:

$2^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{453527}}^1$

素因数の和:453939

約数の個数: 40

約数和(自身を含む): 44765027712

約数和(自身を除く): 24599403184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 397, 794, 1588, 2779, 3176, 5558, 6352, 11116, 22232, 44464, 453527, 907054, 1814108, 3174689, 3628216, 6349378, 7256432, 12698756, 25397512, 50795024, 180050219, 360100438, 720200876, 1260351533, 1440401752, 2520703066, 2880803504, 5041406132, 10082812264, 20165624528]

約数ペア:

[(1, 20165624528), (2, 10082812264), (4, 5041406132), (7, 2880803504), (8, 2520703066), (14, 1440401752), (16, 1260351533), (28, 720200876), (56, 360100438), (112, 180050219), (397, 50795024), (794, 25397512), (1588, 12698756), (2779, 7256432), (3176, 6349378), (5558, 3628216), (6352, 3174689), (11116, 1814108), (22232, 907054), (44464, 453527)]