20653724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2514

約数の個数: 48

約数和(自身を含む): 46437888

約数和(自身を除く): 25784164

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2467, 4186, 4934, 8372, 9868, 17269, 32071, 34538, 56741, 64142, 69076, 113482, 128284, 224497, 226964, 397187, 448994, 737633, 794374, 897988, 1475266, 1588748, 2950532, 5163431, 10326862, 20653724]

約数ペア:

[(1, 20653724), (2, 10326862), (4, 5163431), (7, 2950532), (13, 1588748), (14, 1475266), (23, 897988), (26, 794374), (28, 737633), (46, 448994), (52, 397187), (91, 226964), (92, 224497), (161, 128284), (182, 113482), (299, 69076), (322, 64142), (364, 56741), (598, 34538), (644, 32071), (1196, 17269), (2093, 9868), (2467, 8372), (4186, 4934)]