20280910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156007}}^1$

素因数の和:156027

約数の個数: 16

約数和(自身を含む): 39314016

約数和(自身を除く): 19033106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156007, 312014, 780035, 1560070, 2028091, 4056182, 10140455, 20280910]

約数ペア:

[(1, 20280910), (2, 10140455), (5, 4056182), (10, 2028091), (13, 1560070), (26, 780035), (65, 312014), (130, 156007)]