20123961070

素因数分解:

$2^1\times 5^1\times {\mathrm{53611}}^1\times {\mathrm{37537}}^1$

素因数の和:91155

約数の個数: 16

約数和(自身を含む): 36224770608

約数和(自身を除く): 16100809538

約数列:

[1, 2, 5, 10, 37537, 53611, 75074, 107222, 187685, 268055, 375370, 536110, 2012396107, 4024792214, 10061980535, 20123961070]

約数ペア:

[(1, 20123961070), (2, 10061980535), (5, 4024792214), (10, 2012396107), (37537, 536110), (53611, 375370), (75074, 268055), (107222, 187685)]