20619039

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13829}}^1$

素因数の和:13910

約数の個数: 16

約数和(自身を含む): 31864320

約数和(自身を除く): 11245281

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13829, 41487, 96803, 290409, 981859, 2945577, 6873013, 20619039]

約数ペア:

[(1, 20619039), (3, 6873013), (7, 2945577), (21, 981859), (71, 290409), (213, 96803), (497, 41487), (1491, 13829)]