20199137270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1\times {\mathrm{55711}}^1$

素因数の和:58520

約数の個数: 32

約数和(自身を含む): 39169992960

約数和(自身を除く): 18970855690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2789, 5578, 13945, 27890, 36257, 55711, 72514, 111422, 181285, 278555, 362570, 557110, 724243, 1448486, 3621215, 7242430, 155377979, 310755958, 776889895, 1553779790, 2019913727, 4039827454, 10099568635, 20199137270]

約数ペア:

[(1, 20199137270), (2, 10099568635), (5, 4039827454), (10, 2019913727), (13, 1553779790), (26, 776889895), (65, 310755958), (130, 155377979), (2789, 7242430), (5578, 3621215), (13945, 1448486), (27890, 724243), (36257, 557110), (55711, 362570), (72514, 278555), (111422, 181285)]