20122856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1069}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 40895400

約数和(自身を除く): 20772544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1069, 1448, 2138, 2353, 4276, 4706, 8552, 9412, 13897, 18824, 27794, 55588, 111176, 193489, 386978, 773956, 1547912, 2515357, 5030714, 10061428, 20122856]

約数ペア:

[(1, 20122856), (2, 10061428), (4, 5030714), (8, 2515357), (13, 1547912), (26, 773956), (52, 386978), (104, 193489), (181, 111176), (362, 55588), (724, 27794), (1069, 18824), (1448, 13897), (2138, 9412), (2353, 8552), (4276, 4706)]