20379201

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 27739008

約数和(自身を除く): 7359807

約数列:

[1, 3, 71, 213, 241, 397, 723, 1191, 17111, 28187, 51333, 84561, 95677, 287031, 6793067, 20379201]

約数ペア:

[(1, 20379201), (3, 6793067), (71, 287031), (213, 95677), (241, 84561), (397, 51333), (723, 28187), (1191, 17111)]