20102229

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 36372480

約数和(自身を除く): 16270251

約数列:

[1, 3, 7, 9, 21, 27, 31, 47, 63, 73, 93, 141, 189, 217, 219, 279, 329, 423, 511, 651, 657, 837, 987, 1269, 1457, 1533, 1953, 1971, 2263, 2961, 3431, 4371, 4599, 5859, 6789, 8883, 10199, 10293, 13113, 13797, 15841, 20367, 24017, 30597, 30879, 39339, 47523, 61101, 72051, 91791, 92637, 106361, 142569, 216153, 275373, 319083, 427707, 648459, 744527, 957249, 2233581, 2871747, 6700743, 20102229]

約数ペア:

[(1, 20102229), (3, 6700743), (7, 2871747), (9, 2233581), (21, 957249), (27, 744527), (31, 648459), (47, 427707), (63, 319083), (73, 275373), (93, 216153), (141, 142569), (189, 106361), (217, 92637), (219, 91791), (279, 72051), (329, 61101), (423, 47523), (511, 39339), (651, 30879), (657, 30597), (837, 24017), (987, 20367), (1269, 15841), (1457, 13797), (1533, 13113), (1953, 10293), (1971, 10199), (2263, 8883), (2961, 6789), (3431, 5859), (4371, 4599)]