20160821169

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1\times {\mathrm{2903}}^1$

素因数の和:5334

約数の個数: 48

約数和(自身を含む): 32481820800

約数和(自身を除く): 12320999631

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2389, 2903, 2907, 7167, 8709, 21501, 26127, 40613, 45391, 49351, 55157, 121839, 136173, 148053, 165471, 365517, 408519, 444159, 496413, 771647, 937669, 2314941, 2813007, 6935267, 6944823, 8439021, 20805801, 62417403, 117899539, 131770073, 353698617, 395310219, 1061095851, 1185930657, 2240091241, 6720273723, 20160821169]

約数ペア:

[(1, 20160821169), (3, 6720273723), (9, 2240091241), (17, 1185930657), (19, 1061095851), (51, 395310219), (57, 353698617), (153, 131770073), (171, 117899539), (323, 62417403), (969, 20805801), (2389, 8439021), (2903, 6944823), (2907, 6935267), (7167, 2813007), (8709, 2314941), (21501, 937669), (26127, 771647), (40613, 496413), (45391, 444159), (49351, 408519), (55157, 365517), (121839, 165471), (136173, 148053)]