20435285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 28153440

約数和(自身を除く): 7718155

約数列:

[1, 5, 13, 29, 37, 65, 145, 185, 293, 377, 481, 1073, 1465, 1885, 2405, 3809, 5365, 8497, 10841, 13949, 19045, 42485, 54205, 69745, 110461, 140933, 314389, 552305, 704665, 1571945, 4087057, 20435285]

約数ペア:

[(1, 20435285), (5, 4087057), (13, 1571945), (29, 704665), (37, 552305), (65, 314389), (145, 140933), (185, 110461), (293, 69745), (377, 54205), (481, 42485), (1073, 19045), (1465, 13949), (1885, 10841), (2405, 8497), (3809, 5365)]