20031837

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 33269760

約数和(自身を除く): 13237923

約数列:

[1, 3, 7, 21, 29, 37, 49, 87, 111, 127, 147, 203, 259, 381, 609, 777, 889, 1073, 1421, 1813, 2667, 3219, 3683, 4263, 4699, 5439, 6223, 7511, 11049, 14097, 18669, 22533, 25781, 32893, 52577, 77343, 98679, 136271, 157731, 180467, 230251, 408813, 541401, 690753, 953897, 2861691, 6677279, 20031837]

約数ペア:

[(1, 20031837), (3, 6677279), (7, 2861691), (21, 953897), (29, 690753), (37, 541401), (49, 408813), (87, 230251), (111, 180467), (127, 157731), (147, 136271), (203, 98679), (259, 77343), (381, 52577), (609, 32893), (777, 25781), (889, 22533), (1073, 18669), (1421, 14097), (1813, 11049), (2667, 7511), (3219, 6223), (3683, 5439), (4263, 4699)]