20604885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3217}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 38307072

約数和(自身を除く): 17702187

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 3217, 6405, 9651, 16085, 22519, 48255, 67557, 112595, 196237, 337785, 588711, 981185, 1373659, 2943555, 4120977, 6868295, 20604885]

約数ペア:

[(1, 20604885), (3, 6868295), (5, 4120977), (7, 2943555), (15, 1373659), (21, 981185), (35, 588711), (61, 337785), (105, 196237), (183, 112595), (305, 67557), (427, 48255), (915, 22519), (1281, 16085), (2135, 9651), (3217, 6405)]