20321613

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{601}}^1$

素因数の和:654

約数の個数: 36

約数和(自身を含む): 33636148

約数和(自身を除く): 13314535

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 289, 601, 663, 867, 1803, 1989, 2601, 3757, 5409, 7813, 10217, 11271, 23439, 30651, 33813, 70317, 91953, 132821, 173689, 398463, 521067, 1195389, 1563201, 2257957, 6773871, 20321613]

約数ペア:

[(1, 20321613), (3, 6773871), (9, 2257957), (13, 1563201), (17, 1195389), (39, 521067), (51, 398463), (117, 173689), (153, 132821), (221, 91953), (289, 70317), (601, 33813), (663, 30651), (867, 23439), (1803, 11271), (1989, 10217), (2601, 7813), (3757, 5409)]