20720136

素因数分解:

$2^3\times 3^1\times {\mathrm{787}}^1\times {\mathrm{1097}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 51913440

約数和(自身を除く): 31193304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 787, 1097, 1574, 2194, 2361, 3148, 3291, 4388, 4722, 6296, 6582, 8776, 9444, 13164, 18888, 26328, 863339, 1726678, 2590017, 3453356, 5180034, 6906712, 10360068, 20720136]

約数ペア:

[(1, 20720136), (2, 10360068), (3, 6906712), (4, 5180034), (6, 3453356), (8, 2590017), (12, 1726678), (24, 863339), (787, 26328), (1097, 18888), (1574, 13164), (2194, 9444), (2361, 8776), (3148, 6582), (3291, 6296), (4388, 4722)]