20161272695

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1\times {\mathrm{613}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 24654801600

約数和(自身を除く): 4493528905

約数列:

[1, 5, 131, 149, 337, 613, 655, 745, 1685, 3065, 19519, 44147, 50213, 80303, 91337, 97595, 206581, 220735, 251065, 401515, 456685, 1032905, 6577903, 11965147, 27062111, 30780569, 32889515, 59825735, 135310555, 153902845, 4032254539, 20161272695]

約数ペア:

[(1, 20161272695), (5, 4032254539), (131, 153902845), (149, 135310555), (337, 59825735), (613, 32889515), (655, 30780569), (745, 27062111), (1685, 11965147), (3065, 6577903), (19519, 1032905), (44147, 456685), (50213, 401515), (80303, 251065), (91337, 220735), (97595, 206581)]