20667053

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 25608960

約数和(自身を除く): 4941907

約数列:

[1, 11, 17, 29, 37, 103, 187, 319, 407, 493, 629, 1073, 1133, 1751, 2987, 3811, 5423, 6919, 11803, 18241, 19261, 32857, 41921, 50779, 64787, 110519, 200651, 558569, 712657, 1215709, 1878823, 20667053]

約数ペア:

[(1, 20667053), (11, 1878823), (17, 1215709), (29, 712657), (37, 558569), (103, 200651), (187, 110519), (319, 64787), (407, 50779), (493, 41921), (629, 32857), (1073, 19261), (1133, 18241), (1751, 11803), (2987, 6919), (3811, 5423)]