20412028

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8011}}^1$

素因数の和:8042

約数の個数: 36

約数和(自身を含む): 44755032

約数和(自身を除く): 24343004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8011, 16022, 32044, 56077, 104143, 112154, 208286, 224308, 392539, 416572, 729001, 785078, 1458002, 1570156, 2916004, 5103007, 10206014, 20412028]

約数ペア:

[(1, 20412028), (2, 10206014), (4, 5103007), (7, 2916004), (13, 1570156), (14, 1458002), (26, 785078), (28, 729001), (49, 416572), (52, 392539), (91, 224308), (98, 208286), (182, 112154), (196, 104143), (364, 56077), (637, 32044), (1274, 16022), (2548, 8011)]