20765568

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3215

約数の個数: 64

約数和(自身を含む): 58421520

約数和(自身を除く): 37655952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 272, 384, 408, 544, 816, 1088, 1632, 2176, 3181, 3264, 6362, 6528, 9543, 12724, 19086, 25448, 38172, 50896, 54077, 76344, 101792, 108154, 152688, 162231, 203584, 216308, 305376, 324462, 407168, 432616, 610752, 648924, 865232, 1221504, 1297848, 1730464, 2595696, 3460928, 5191392, 6921856, 10382784, 20765568]

約数ペア:

[(1, 20765568), (2, 10382784), (3, 6921856), (4, 5191392), (6, 3460928), (8, 2595696), (12, 1730464), (16, 1297848), (17, 1221504), (24, 865232), (32, 648924), (34, 610752), (48, 432616), (51, 407168), (64, 324462), (68, 305376), (96, 216308), (102, 203584), (128, 162231), (136, 152688), (192, 108154), (204, 101792), (272, 76344), (384, 54077), (408, 50896), (544, 38172), (816, 25448), (1088, 19086), (1632, 12724), (2176, 9543), (3181, 6528), (3264, 6362)]