20512995811

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{6637}}^1$

素因数の和:6796

約数の個数: 48

約数和(自身を含む): 26697504960

約数和(自身を除く): 6184509149

約数列:

[1, 7, 11, 41, 77, 89, 121, 287, 451, 623, 847, 979, 3157, 3649, 4961, 6637, 6853, 10769, 25543, 34727, 40139, 46459, 73007, 75383, 272117, 280973, 441529, 511049, 590693, 803077, 1904819, 2993287, 3090703, 4134851, 5621539, 6497623, 20953009, 24218413, 32926157, 45483361, 71473853, 169528891, 230483099, 266402543, 500316971, 1864817801, 2930427973, 20512995811]

約数ペア:

[(1, 20512995811), (7, 2930427973), (11, 1864817801), (41, 500316971), (77, 266402543), (89, 230483099), (121, 169528891), (287, 71473853), (451, 45483361), (623, 32926157), (847, 24218413), (979, 20953009), (3157, 6497623), (3649, 5621539), (4961, 4134851), (6637, 3090703), (6853, 2993287), (10769, 1904819), (25543, 803077), (34727, 590693), (40139, 511049), (46459, 441529), (73007, 280973), (75383, 272117)]