20058181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 25740288

約数和(自身を除く): 5682107

約数列:

[1, 11, 13, 17, 37, 143, 187, 221, 223, 407, 481, 629, 2431, 2453, 2899, 3791, 5291, 6919, 8177, 8251, 31889, 41701, 49283, 89947, 90761, 107263, 140267, 542113, 1179893, 1542937, 1823471, 20058181]

約数ペア:

[(1, 20058181), (11, 1823471), (13, 1542937), (17, 1179893), (37, 542113), (143, 140267), (187, 107263), (221, 90761), (223, 89947), (407, 49283), (481, 41701), (629, 31889), (2431, 8251), (2453, 8177), (2899, 6919), (3791, 5291)]