20753865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41927}}^1$

素因数の和:41949

約数の個数: 24

約数和(自身を含む): 39244608

約数和(自身を除く): 18490743

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41927, 125781, 209635, 377343, 461197, 628905, 1383591, 1886715, 2305985, 4150773, 6917955, 20753865]

約数ペア:

[(1, 20753865), (3, 6917955), (5, 4150773), (9, 2305985), (11, 1886715), (15, 1383591), (33, 628905), (45, 461197), (55, 377343), (99, 209635), (165, 125781), (495, 41927)]