20761728

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4159}}^1$

素因数の和:4189

約数の個数: 64

約数和(自身を含む): 59404800

約数和(自身を除く): 38643072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4159, 4992, 8318, 12477, 16636, 24954, 33272, 49908, 54067, 66544, 99816, 108134, 133088, 162201, 199632, 216268, 266176, 324402, 399264, 432536, 532352, 648804, 798528, 865072, 1297608, 1597056, 1730144, 2595216, 3460288, 5190432, 6920576, 10380864, 20761728]

約数ペア:

[(1, 20761728), (2, 10380864), (3, 6920576), (4, 5190432), (6, 3460288), (8, 2595216), (12, 1730144), (13, 1597056), (16, 1297608), (24, 865072), (26, 798528), (32, 648804), (39, 532352), (48, 432536), (52, 399264), (64, 324402), (78, 266176), (96, 216268), (104, 199632), (128, 162201), (156, 133088), (192, 108134), (208, 99816), (312, 66544), (384, 54067), (416, 49908), (624, 33272), (832, 24954), (1248, 16636), (1664, 12477), (2496, 8318), (4159, 4992)]