20956012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3581}}^1$

素因数の和:3622

約数の個数: 48

約数和(自身を含む): 48142080

約数和(自身を除く): 27186068

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3581, 5852, 7162, 14324, 25067, 39391, 50134, 68039, 78782, 100268, 136078, 157564, 272156, 275737, 476273, 551474, 748429, 952546, 1102948, 1496858, 1905092, 2993716, 5239003, 10478006, 20956012]

約数ペア:

[(1, 20956012), (2, 10478006), (4, 5239003), (7, 2993716), (11, 1905092), (14, 1496858), (19, 1102948), (22, 952546), (28, 748429), (38, 551474), (44, 476273), (76, 275737), (77, 272156), (133, 157564), (154, 136078), (209, 100268), (266, 78782), (308, 68039), (418, 50134), (532, 39391), (836, 25067), (1463, 14324), (2926, 7162), (3581, 5852)]