20145897642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258280739}}^1$

素因数の和:258280757

約数の個数: 16

約数和(自身を含む): 43391164320

約数和(自身を除く): 23245266678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258280739, 516561478, 774842217, 1549684434, 3357649607, 6715299214, 10072948821, 20145897642]

約数ペア:

[(1, 20145897642), (2, 10072948821), (3, 6715299214), (6, 3357649607), (13, 1549684434), (26, 774842217), (39, 516561478), (78, 258280739)]