20562129

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 36571392

約数和(自身を除く): 16009263

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 73, 119, 153, 219, 263, 357, 511, 657, 789, 1071, 1241, 1533, 1841, 2367, 3723, 4471, 4599, 5523, 8687, 11169, 13413, 16569, 19199, 26061, 31297, 40239, 57597, 78183, 93891, 134393, 172791, 281673, 326383, 403179, 979149, 1209537, 2284681, 2937447, 6854043, 20562129]

約数ペア:

[(1, 20562129), (3, 6854043), (7, 2937447), (9, 2284681), (17, 1209537), (21, 979149), (51, 403179), (63, 326383), (73, 281673), (119, 172791), (153, 134393), (219, 93891), (263, 78183), (357, 57597), (511, 40239), (657, 31297), (789, 26061), (1071, 19199), (1241, 16569), (1533, 13413), (1841, 11169), (2367, 8687), (3723, 5523), (4471, 4599)]