20123409584

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17714269}}^1$

素因数の和:17714348

約数の個数: 20

約数和(自身を含む): 39538250640

約数和(自身を除く): 19414841056

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17714269, 35428538, 70857076, 141714152, 283428304, 1257713099, 2515426198, 5030852396, 10061704792, 20123409584]

約数ペア:

[(1, 20123409584), (2, 10061704792), (4, 5030852396), (8, 2515426198), (16, 1257713099), (71, 283428304), (142, 141714152), (284, 70857076), (568, 35428538), (1136, 17714269)]