20172620169

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{30971}}^1$

素因数の和:31302

約数の個数: 48

約数和(自身を含む): 33144995520

約数和(自身を除く): 12972375351

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 293, 741, 879, 2223, 2637, 3809, 5567, 11427, 16701, 30971, 34281, 50103, 72371, 92913, 217113, 278739, 402623, 588449, 651339, 1207869, 1765347, 3623607, 5296041, 7649837, 9074503, 22949511, 27223509, 68848533, 81670527, 117968539, 172415557, 353905617, 517246671, 1061716851, 1551740013, 2241402241, 6724206723, 20172620169]

約数ペア:

[(1, 20172620169), (3, 6724206723), (9, 2241402241), (13, 1551740013), (19, 1061716851), (39, 517246671), (57, 353905617), (117, 172415557), (171, 117968539), (247, 81670527), (293, 68848533), (741, 27223509), (879, 22949511), (2223, 9074503), (2637, 7649837), (3809, 5296041), (5567, 3623607), (11427, 1765347), (16701, 1207869), (30971, 651339), (34281, 588449), (50103, 402623), (72371, 278739), (92913, 217113)]