20084155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 30489984

約数和(自身を除く): 10405829

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1193, 1295, 2405, 3367, 5965, 8351, 15509, 16835, 41755, 44141, 77545, 108563, 220705, 308987, 542815, 573833, 1544935, 2869165, 4016831, 20084155]

約数ペア:

[(1, 20084155), (5, 4016831), (7, 2869165), (13, 1544935), (35, 573833), (37, 542815), (65, 308987), (91, 220705), (185, 108563), (259, 77545), (455, 44141), (481, 41755), (1193, 16835), (1295, 15509), (2405, 8351), (3367, 5965)]