20012161130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1\times {\mathrm{146749}}^1$

素因数の和:147818

約数の個数: 32

約数和(自身を含む): 38830050000

約数和(自身を除く): 18817888870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1049, 2098, 5245, 10490, 13637, 27274, 68185, 136370, 146749, 293498, 733745, 1467490, 1907737, 3815474, 9538685, 19077370, 153939701, 307879402, 769698505, 1539397010, 2001216113, 4002432226, 10006080565, 20012161130]

約数ペア:

[(1, 20012161130), (2, 10006080565), (5, 4002432226), (10, 2001216113), (13, 1539397010), (26, 769698505), (65, 307879402), (130, 153939701), (1049, 19077370), (2098, 9538685), (5245, 3815474), (10490, 1907737), (13637, 1467490), (27274, 733745), (68185, 293498), (136370, 146749)]