20384385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2437

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17355135

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2339, 2905, 7017, 8715, 11695, 16373, 35085, 49119, 81865, 194137, 245595, 582411, 970685, 1358959, 2912055, 4076877, 6794795, 20384385]

約数ペア:

[(1, 20384385), (3, 6794795), (5, 4076877), (7, 2912055), (15, 1358959), (21, 970685), (35, 582411), (83, 245595), (105, 194137), (249, 81865), (415, 49119), (581, 35085), (1245, 16373), (1743, 11695), (2339, 8715), (2905, 7017)]