20152605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3301}}^1$

素因数の和:3357

約数の個数: 32

約数和(自身を含む): 36137088

約数和(自身を除く): 15984483

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3301, 6105, 9903, 16505, 36311, 49515, 108933, 122137, 181555, 366411, 544665, 610685, 1343507, 1832055, 4030521, 6717535, 20152605]

約数ペア:

[(1, 20152605), (3, 6717535), (5, 4030521), (11, 1832055), (15, 1343507), (33, 610685), (37, 544665), (55, 366411), (111, 181555), (165, 122137), (185, 108933), (407, 49515), (555, 36311), (1221, 16505), (2035, 9903), (3301, 6105)]