20267379

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:568

約数の個数: 36

約数和(自身を含む): 33113808

約数和(自身を除く): 12846429

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 333, 363, 407, 503, 1089, 1221, 1509, 3663, 4477, 4527, 5533, 13431, 16599, 18611, 40293, 49797, 55833, 60863, 167499, 182589, 204721, 547767, 614163, 1842489, 2251931, 6755793, 20267379]

約数ペア:

[(1, 20267379), (3, 6755793), (9, 2251931), (11, 1842489), (33, 614163), (37, 547767), (99, 204721), (111, 182589), (121, 167499), (333, 60863), (363, 55833), (407, 49797), (503, 40293), (1089, 18611), (1221, 16599), (1509, 13431), (3663, 5533), (4477, 4527)]