20139616

素因数分解:

$2^5\times 7^1\times {\mathrm{89909}}^1$

素因数の和:89926

約数の個数: 24

約数和(自身を含む): 45314640

約数和(自身を除く): 25175024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89909, 179818, 359636, 629363, 719272, 1258726, 1438544, 2517452, 2877088, 5034904, 10069808, 20139616]

約数ペア:

[(1, 20139616), (2, 10069808), (4, 5034904), (7, 2877088), (8, 2517452), (14, 1438544), (16, 1258726), (28, 719272), (32, 629363), (56, 359636), (112, 179818), (224, 89909)]