20381867

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 23194080

約数和(自身を除く): 2812213

約数列:

[1, 11, 29, 181, 319, 353, 1991, 3883, 5249, 10237, 57739, 63893, 112607, 702823, 1852897, 20381867]

約数ペア:

[(1, 20381867), (11, 1852897), (29, 702823), (181, 112607), (319, 63893), (353, 57739), (1991, 10237), (3883, 5249)]