20686682018

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{3907}}^1\times {\mathrm{71551}}^1$

素因数の和:75497

約数の個数: 16

約数和(自身を含む): 31877274624

約数和(自身を除く): 11190592606

約数列:

[1, 2, 37, 74, 3907, 7814, 71551, 143102, 144559, 289118, 2647387, 5294774, 279549757, 559099514, 10343341009, 20686682018]

約数ペア:

[(1, 20686682018), (2, 10343341009), (37, 559099514), (74, 279549757), (3907, 5294774), (7814, 2647387), (71551, 289118), (143102, 144559)]