20033840

素因数分解:

$2^4\times 5^1\times {\mathrm{250423}}^1$

素因数の和:250436

約数の個数: 20

約数和(自身を含む): 46578864

約数和(自身を除く): 26545024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250423, 500846, 1001692, 1252115, 2003384, 2504230, 4006768, 5008460, 10016920, 20033840]

約数ペア:

[(1, 20033840), (2, 10016920), (4, 5008460), (5, 4006768), (8, 2504230), (10, 2003384), (16, 1252115), (20, 1001692), (40, 500846), (80, 250423)]