20785842

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4999}}^1$

素因数の和:5028

約数の個数: 64

約数和(自身を含む): 57600000

約数和(自身を除く): 36814158

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 154, 189, 198, 231, 297, 378, 462, 594, 693, 1386, 2079, 4158, 4999, 9998, 14997, 29994, 34993, 44991, 54989, 69986, 89982, 104979, 109978, 134973, 164967, 209958, 269946, 314937, 329934, 384923, 494901, 629874, 769846, 944811, 989802, 1154769, 1484703, 1889622, 2309538, 2969406, 3464307, 6928614, 10392921, 20785842]

約数ペア:

[(1, 20785842), (2, 10392921), (3, 6928614), (6, 3464307), (7, 2969406), (9, 2309538), (11, 1889622), (14, 1484703), (18, 1154769), (21, 989802), (22, 944811), (27, 769846), (33, 629874), (42, 494901), (54, 384923), (63, 329934), (66, 314937), (77, 269946), (99, 209958), (126, 164967), (154, 134973), (189, 109978), (198, 104979), (231, 89982), (297, 69986), (378, 54989), (462, 44991), (594, 34993), (693, 29994), (1386, 14997), (2079, 9998), (4158, 4999)]