20805122015

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{863}}^2$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 25840657248

約数和(自身を除く): 5035535233

約数列:

[1, 5, 37, 151, 185, 755, 863, 4315, 5587, 27935, 31931, 130313, 159655, 651565, 744769, 3723845, 4821581, 24107905, 27556453, 112460119, 137782265, 562300595, 4161024403, 20805122015]

約数ペア:

[(1, 20805122015), (5, 4161024403), (37, 562300595), (151, 137782265), (185, 112460119), (755, 27556453), (863, 24107905), (4315, 4821581), (5587, 3723845), (27935, 744769), (31931, 651565), (130313, 159655)]