20399742

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 50353920

約数和(自身を除く): 29954178

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 61, 66, 99, 122, 183, 198, 297, 366, 549, 563, 594, 671, 1098, 1126, 1342, 1647, 1689, 2013, 3294, 3378, 4026, 5067, 6039, 6193, 10134, 12078, 12386, 15201, 18117, 18579, 30402, 34343, 36234, 37158, 55737, 68686, 103029, 111474, 167211, 206058, 309087, 334422, 377773, 618174, 755546, 927261, 1133319, 1854522, 2266638, 3399957, 6799914, 10199871, 20399742]

約数ペア:

[(1, 20399742), (2, 10199871), (3, 6799914), (6, 3399957), (9, 2266638), (11, 1854522), (18, 1133319), (22, 927261), (27, 755546), (33, 618174), (54, 377773), (61, 334422), (66, 309087), (99, 206058), (122, 167211), (183, 111474), (198, 103029), (297, 68686), (366, 55737), (549, 37158), (563, 36234), (594, 34343), (671, 30402), (1098, 18579), (1126, 18117), (1342, 15201), (1647, 12386), (1689, 12078), (2013, 10134), (3294, 6193), (3378, 6039), (4026, 5067)]