20979288

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26489}}^1$

素因数の和:26512

約数の個数: 48

約数和(自身を含む): 61986600

約数和(自身を除く): 41007312

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26489, 52978, 79467, 105956, 158934, 211912, 238401, 291379, 317868, 476802, 582758, 635736, 874137, 953604, 1165516, 1748274, 1907208, 2331032, 2622411, 3496548, 5244822, 6993096, 10489644, 20979288]

約数ペア:

[(1, 20979288), (2, 10489644), (3, 6993096), (4, 5244822), (6, 3496548), (8, 2622411), (9, 2331032), (11, 1907208), (12, 1748274), (18, 1165516), (22, 953604), (24, 874137), (33, 635736), (36, 582758), (44, 476802), (66, 317868), (72, 291379), (88, 238401), (99, 211912), (132, 158934), (198, 105956), (264, 79467), (396, 52978), (792, 26489)]