20680704002

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{387613}}^1$

素因数の和:387762

約数の個数: 32

約数和(自身を含む): 36764412672

約数和(自身を除く): 16083708670

約数列:

[1, 2, 7, 14, 37, 74, 103, 206, 259, 518, 721, 1442, 3811, 7622, 26677, 53354, 387613, 775226, 2713291, 5426582, 14341681, 28683362, 39924139, 79848278, 100391767, 200783534, 279468973, 558937946, 1477193143, 2954386286, 10340352001, 20680704002]

約数ペア:

[(1, 20680704002), (2, 10340352001), (7, 2954386286), (14, 1477193143), (37, 558937946), (74, 279468973), (103, 200783534), (206, 100391767), (259, 79848278), (518, 39924139), (721, 28683362), (1442, 14341681), (3811, 5426582), (7622, 2713291), (26677, 775226), (53354, 387613)]