20548736

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 45110520

約数和(自身を除く): 24561784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 208, 212, 233, 416, 424, 466, 689, 832, 848, 932, 1378, 1664, 1696, 1864, 2756, 3029, 3392, 3728, 5512, 6058, 6784, 7456, 11024, 12116, 12349, 14912, 22048, 24232, 24698, 29824, 44096, 48464, 49396, 88192, 96928, 98792, 160537, 193856, 197584, 321074, 387712, 395168, 642148, 790336, 1284296, 1580672, 2568592, 5137184, 10274368, 20548736]

約数ペア:

[(1, 20548736), (2, 10274368), (4, 5137184), (8, 2568592), (13, 1580672), (16, 1284296), (26, 790336), (32, 642148), (52, 395168), (53, 387712), (64, 321074), (104, 197584), (106, 193856), (128, 160537), (208, 98792), (212, 96928), (233, 88192), (416, 49396), (424, 48464), (466, 44096), (689, 29824), (832, 24698), (848, 24232), (932, 22048), (1378, 14912), (1664, 12349), (1696, 12116), (1864, 11024), (2756, 7456), (3029, 6784), (3392, 6058), (3728, 5512)]