20939752

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 20273048

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 317, 359, 634, 718, 1268, 1436, 2536, 2872, 7291, 8257, 14582, 16514, 29164, 33028, 58328, 66056, 113803, 227606, 455212, 910424, 2617469, 5234938, 10469876, 20939752]

約数ペア:

[(1, 20939752), (2, 10469876), (4, 5234938), (8, 2617469), (23, 910424), (46, 455212), (92, 227606), (184, 113803), (317, 66056), (359, 58328), (634, 33028), (718, 29164), (1268, 16514), (1436, 14582), (2536, 8257), (2872, 7291)]