20579778

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{1709}}^1$

素因数の和:1943

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 25385022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 1709, 2007, 3418, 4014, 5127, 6021, 10254, 12042, 15381, 30762, 46143, 92286, 381107, 762214, 1143321, 2286642, 3429963, 6859926, 10289889, 20579778]

約数ペア:

[(1, 20579778), (2, 10289889), (3, 6859926), (6, 3429963), (9, 2286642), (18, 1143321), (27, 762214), (54, 381107), (223, 92286), (446, 46143), (669, 30762), (1338, 15381), (1709, 12042), (2007, 10254), (3418, 6021), (4014, 5127)]