20431767

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 27855360

約数和(自身を除く): 7423593

約数列:

[1, 3, 61, 183, 311, 359, 933, 1077, 18971, 21899, 56913, 65697, 111649, 334947, 6810589, 20431767]

約数ペア:

[(1, 20431767), (3, 6810589), (61, 334947), (183, 111649), (311, 65697), (359, 56913), (933, 21899), (1077, 18971)]