20165544752

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1906727}}^1$

素因数の和:1907396

約数の個数: 20

約数和(自身を含む): 39129872016

約数和(自身を除く): 18964327264

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 10576, 1906727, 3813454, 7626908, 15253816, 30507632, 1260346547, 2520693094, 5041386188, 10082772376, 20165544752]

約数ペア:

[(1, 20165544752), (2, 10082772376), (4, 5041386188), (8, 2520693094), (16, 1260346547), (661, 30507632), (1322, 15253816), (2644, 7626908), (5288, 3813454), (10576, 1906727)]