20199031865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1871147}}^1$

素因数の和:1871296

約数の個数: 16

約数和(自身を含む): 25866749952

約数和(自身を除く): 5667718087

約数列:

[1, 5, 17, 85, 127, 635, 2159, 10795, 1871147, 9355735, 31809499, 159047495, 237635669, 1188178345, 4039806373, 20199031865]

約数ペア:

[(1, 20199031865), (5, 4039806373), (17, 1188178345), (85, 237635669), (127, 159047495), (635, 31809499), (2159, 9355735), (10795, 1871147)]