20911826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4211}}^1$

素因数の和:4417

約数の個数: 16

約数和(自身を含む): 33965568

約数和(自身を除く): 13053742

約数列:

[1, 2, 13, 26, 191, 382, 2483, 4211, 4966, 8422, 54743, 109486, 804301, 1608602, 10455913, 20911826]

約数ペア:

[(1, 20911826), (2, 10455913), (13, 1608602), (26, 804301), (191, 109486), (382, 54743), (2483, 8422), (4211, 4966)]