20385527617808

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6670656943}}^1$

素因数の和:6670657142

約数の個数: 20

約数和(自身を含む): 39703750130688

約数和(自身を除く): 19318222512880

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6670656943, 13341313886, 26682627772, 53365255544, 106730511088, 1274095476113, 2548190952226, 5096381904452, 10192763808904, 20385527617808]

約数ペア:

[(1, 20385527617808), (2, 10192763808904), (4, 5096381904452), (8, 2548190952226), (16, 1274095476113), (191, 106730511088), (382, 53365255544), (764, 26682627772), (1528, 13341313886), (3056, 6670656943)]