20550803

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4261}}^1$

素因数の和:4334

約数の個数: 16

約数和(自身を含む): 25776576

約数和(自身を除く): 5225773

約数列:

[1, 7, 13, 53, 91, 371, 689, 4261, 4823, 29827, 55393, 225833, 387751, 1580831, 2935829, 20550803]

約数ペア:

[(1, 20550803), (7, 2935829), (13, 1580831), (53, 387751), (91, 225833), (371, 55393), (689, 29827), (4261, 4823)]