39720642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{509239}}^1$

素因数の和:509257

約数の個数: 16

約数和(自身を含む): 85552320

約数和(自身を除く): 45831678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 509239, 1018478, 1527717, 3055434, 6620107, 13240214, 19860321, 39720642]

約数ペア:

[(1, 39720642), (2, 19860321), (3, 13240214), (6, 6620107), (13, 3055434), (26, 1527717), (39, 1018478), (78, 509239)]