20652008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11681}}^1$

素因数の和:11717

約数の個数: 32

約数和(自身を含む): 44157960

約数和(自身を除く): 23505952

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11681, 23362, 46724, 93448, 151853, 198577, 303706, 397154, 607412, 794308, 1214824, 1588616, 2581501, 5163002, 10326004, 20652008]

約数ペア:

[(1, 20652008), (2, 10326004), (4, 5163002), (8, 2581501), (13, 1588616), (17, 1214824), (26, 794308), (34, 607412), (52, 397154), (68, 303706), (104, 198577), (136, 151853), (221, 93448), (442, 46724), (884, 23362), (1768, 11681)]