20180887958

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{857}}^1\times {\mathrm{13901}}^1$

素因数の和:14789

約数の個数: 48

約数和(自身を含む): 38073907872

約数和(自身を除く): 17893019914

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 857, 1694, 1714, 5999, 9427, 11998, 13901, 18854, 27802, 65989, 97307, 103697, 131978, 152911, 194614, 207394, 305822, 725879, 1070377, 1451758, 1682021, 2140754, 3364042, 11774147, 11913157, 23548294, 23826314, 83392099, 131044727, 166784198, 262089454, 917313089, 1441491997, 1834626178, 2882983994, 10090443979, 20180887958]

約数ペア:

[(1, 20180887958), (2, 10090443979), (7, 2882983994), (11, 1834626178), (14, 1441491997), (22, 917313089), (77, 262089454), (121, 166784198), (154, 131044727), (242, 83392099), (847, 23826314), (857, 23548294), (1694, 11913157), (1714, 11774147), (5999, 3364042), (9427, 2140754), (11998, 1682021), (13901, 1451758), (18854, 1070377), (27802, 725879), (65989, 305822), (97307, 207394), (103697, 194614), (131978, 152911)]