20199644428

素因数分解:

$2^2\times {\mathrm{7879}}^1\times {\mathrm{640933}}^1$

素因数の和:648816

約数の個数: 12

約数和(自身を含む): 35353919440

約数和(自身を除く): 15154275012

約数列:

[1, 2, 4, 7879, 15758, 31516, 640933, 1281866, 2563732, 5049911107, 10099822214, 20199644428]

約数ペア:

[(1, 20199644428), (2, 10099822214), (4, 5049911107), (7879, 2563732), (15758, 1281866), (31516, 640933)]