20406834

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1400

約数の個数: 72

約数和(自身を含む): 54499068

約数和(自身を除く): 34092234

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 238, 294, 306, 357, 441, 714, 833, 882, 1071, 1361, 1666, 2142, 2499, 2722, 4083, 4998, 7497, 8166, 9527, 12249, 14994, 19054, 23137, 24498, 28581, 46274, 57162, 66689, 69411, 85743, 133378, 138822, 161959, 171486, 200067, 208233, 323918, 400134, 416466, 485877, 600201, 971754, 1133713, 1200402, 1457631, 2267426, 2915262, 3401139, 6802278, 10203417, 20406834]

約数ペア:

[(1, 20406834), (2, 10203417), (3, 6802278), (6, 3401139), (7, 2915262), (9, 2267426), (14, 1457631), (17, 1200402), (18, 1133713), (21, 971754), (34, 600201), (42, 485877), (49, 416466), (51, 400134), (63, 323918), (98, 208233), (102, 200067), (119, 171486), (126, 161959), (147, 138822), (153, 133378), (238, 85743), (294, 69411), (306, 66689), (357, 57162), (441, 46274), (714, 28581), (833, 24498), (882, 23137), (1071, 19054), (1361, 14994), (1666, 12249), (2142, 9527), (2499, 8166), (2722, 7497), (4083, 4998)]