20955804579

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4722967}}^1$

素因数の和:4723019

約数の個数: 24

約数和(自身を含む): 33155235360

約数和(自身を除く): 12199430781

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4722967, 14168901, 42506703, 80290439, 136966043, 240871317, 410898129, 722613951, 1232694387, 2328422731, 6985268193, 20955804579]

約数ペア:

[(1, 20955804579), (3, 6985268193), (9, 2328422731), (17, 1232694387), (29, 722613951), (51, 410898129), (87, 240871317), (153, 136966043), (261, 80290439), (493, 42506703), (1479, 14168901), (4437, 4722967)]