20512139770

素因数分解:

$2^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{911}}^1\times {\mathrm{2861}}^1$

素因数の和:4566

約数の個数: 32

約数和(自身を含む): 37022282496

約数和(自身を除く): 16510142726

約数列:

[1, 2, 5, 10, 787, 911, 1574, 1822, 2861, 3935, 4555, 5722, 7870, 9110, 14305, 28610, 716957, 1433914, 2251607, 2606371, 3584785, 4503214, 5212742, 7169570, 11258035, 13031855, 22516070, 26063710, 2051213977, 4102427954, 10256069885, 20512139770]

約数ペア:

[(1, 20512139770), (2, 10256069885), (5, 4102427954), (10, 2051213977), (787, 26063710), (911, 22516070), (1574, 13031855), (1822, 11258035), (2861, 7169570), (3935, 5212742), (4555, 4503214), (5722, 3584785), (7870, 2606371), (9110, 2251607), (14305, 1433914), (28610, 716957)]