20197820921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{727561}}^1$

素因数の和:727672

約数の個数: 16

約数和(自身を含む): 22630088448

約数和(自身を除く): 2432267527

約数列:

[1, 17, 23, 71, 391, 1207, 1633, 27761, 727561, 12368537, 16733903, 51656831, 284476351, 878166127, 1188107113, 20197820921]

約数ペア:

[(1, 20197820921), (17, 1188107113), (23, 878166127), (71, 284476351), (391, 51656831), (1207, 16733903), (1633, 12368537), (27761, 727561)]