20574369

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4637}}^1$

素因数の和:4689

約数の個数: 24

約数和(自身を含む): 32558760

約数和(自身を除く): 11984391

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4637, 13911, 41733, 78829, 134473, 236487, 403419, 709461, 1210257, 2286041, 6858123, 20574369]

約数ペア:

[(1, 20574369), (3, 6858123), (9, 2286041), (17, 1210257), (29, 709461), (51, 403419), (87, 236487), (153, 134473), (261, 78829), (493, 41733), (1479, 13911), (4437, 4637)]