20273931

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2237}}^1$

素因数の和:2315

約数の個数: 24

約数和(自身を含む): 31421520

約数和(自身を除く): 11147589

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 2237, 3021, 6711, 9063, 20133, 42503, 118561, 127509, 355683, 382527, 1067049, 2252659, 6757977, 20273931]

約数ペア:

[(1, 20273931), (3, 6757977), (9, 2252659), (19, 1067049), (53, 382527), (57, 355683), (159, 127509), (171, 118561), (477, 42503), (1007, 20133), (2237, 9063), (3021, 6711)]