20178441382

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13901}}^1\times {\mathrm{65981}}^1$

素因数の和:79895

約数の個数: 16

約数和(自身を含む): 33022143504

約数和(自身を除く): 12843702122

約数列:

[1, 2, 11, 22, 13901, 27802, 65981, 131962, 152911, 305822, 725791, 1451582, 917201881, 1834403762, 10089220691, 20178441382]

約数ペア:

[(1, 20178441382), (2, 10089220691), (11, 1834403762), (22, 917201881), (13901, 1451582), (27802, 725791), (65981, 305822), (131962, 152911)]