20017348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 38836420

約数和(自身を除く): 18819072

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 229, 458, 533, 916, 1066, 1681, 2132, 2977, 3362, 5954, 6724, 9389, 11908, 18778, 21853, 37556, 43706, 87412, 122057, 244114, 384949, 488228, 769898, 1539796, 5004337, 10008674, 20017348]

約数ペア:

[(1, 20017348), (2, 10008674), (4, 5004337), (13, 1539796), (26, 769898), (41, 488228), (52, 384949), (82, 244114), (164, 122057), (229, 87412), (458, 43706), (533, 37556), (916, 21853), (1066, 18778), (1681, 11908), (2132, 9389), (2977, 6724), (3362, 5954)]