20177691

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{37}}^2$

素因数の和:128

約数の個数: 24

約数和(自身を含む): 29378160

約数和(自身を除く): 9200469

約数列:

[1, 3, 17, 37, 51, 111, 289, 629, 867, 1369, 1887, 4107, 4913, 10693, 14739, 23273, 32079, 69819, 181781, 395641, 545343, 1186923, 6725897, 20177691]

約数ペア:

[(1, 20177691), (3, 6725897), (17, 1186923), (37, 545343), (51, 395641), (111, 181781), (289, 69819), (629, 32079), (867, 23273), (1369, 14739), (1887, 10693), (4107, 4913)]