2008543984

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{123923}}^1$

素因数の和:124944

約数の個数: 20

約数和(自身を含む): 3895427016

約数和(自身を除く): 1886883032

約数列:

[1, 2, 4, 8, 16, 1013, 2026, 4052, 8104, 16208, 123923, 247846, 495692, 991384, 1982768, 125533999, 251067998, 502135996, 1004271992, 2008543984]

約数ペア:

[(1, 2008543984), (2, 1004271992), (4, 502135996), (8, 251067998), (16, 125533999), (1013, 1982768), (2026, 991384), (4052, 495692), (8104, 247846), (16208, 123923)]