20146640

素因数分解:

$2^4\times 5^1\times {\mathrm{251833}}^1$

素因数の和:251846

約数の個数: 20

約数和(自身を含む): 46841124

約数和(自身を除く): 26694484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251833, 503666, 1007332, 1259165, 2014664, 2518330, 4029328, 5036660, 10073320, 20146640]

約数ペア:

[(1, 20146640), (2, 10073320), (4, 5036660), (5, 4029328), (8, 2518330), (10, 2014664), (16, 1259165), (20, 1007332), (40, 503666), (80, 251833)]