20943537

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{907}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 28765440

約数和(自身を除く): 7821903

約数列:

[1, 3, 43, 129, 179, 537, 907, 2721, 7697, 23091, 39001, 117003, 162353, 487059, 6981179, 20943537]

約数ペア:

[(1, 20943537), (3, 6981179), (43, 487059), (129, 162353), (179, 117003), (537, 39001), (907, 23091), (2721, 7697)]