20548310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1303}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 18884650

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1303, 1577, 2606, 3154, 6515, 7885, 13030, 15770, 24757, 49514, 108149, 123785, 216298, 247570, 540745, 1081490, 2054831, 4109662, 10274155, 20548310]

約数ペア:

[(1, 20548310), (2, 10274155), (5, 4109662), (10, 2054831), (19, 1081490), (38, 540745), (83, 247570), (95, 216298), (166, 123785), (190, 108149), (415, 49514), (830, 24757), (1303, 15770), (1577, 13030), (2606, 7885), (3154, 6515)]