20831104

素因数分解:

$2^7\times 7^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 48274560

約数和(自身を除く): 27443456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 268, 347, 448, 469, 536, 694, 896, 938, 1072, 1388, 1876, 2144, 2429, 2776, 3752, 4288, 4858, 5552, 7504, 8576, 9716, 11104, 15008, 19432, 22208, 23249, 30016, 38864, 44416, 46498, 60032, 77728, 92996, 155456, 162743, 185992, 310912, 325486, 371984, 650972, 743968, 1301944, 1487936, 2603888, 2975872, 5207776, 10415552, 20831104]

約数ペア:

[(1, 20831104), (2, 10415552), (4, 5207776), (7, 2975872), (8, 2603888), (14, 1487936), (16, 1301944), (28, 743968), (32, 650972), (56, 371984), (64, 325486), (67, 310912), (112, 185992), (128, 162743), (134, 155456), (224, 92996), (268, 77728), (347, 60032), (448, 46498), (469, 44416), (536, 38864), (694, 30016), (896, 23249), (938, 22208), (1072, 19432), (1388, 15008), (1876, 11104), (2144, 9716), (2429, 8576), (2776, 7504), (3752, 5552), (4288, 4858)]