20745776

素因数分解:

$2^4\times {\mathrm{367}}^1\times {\mathrm{3533}}^1$

素因数の和:3908

約数の個数: 20

約数和(自身を含む): 40315872

約数和(自身を除く): 19570096

約数列:

[1, 2, 4, 8, 16, 367, 734, 1468, 2936, 3533, 5872, 7066, 14132, 28264, 56528, 1296611, 2593222, 5186444, 10372888, 20745776]

約数ペア:

[(1, 20745776), (2, 10372888), (4, 5186444), (8, 2593222), (16, 1296611), (367, 56528), (734, 28264), (1468, 14132), (2936, 7066), (3533, 5872)]