20747474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4229}}^1$

素因数の和:4465

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 13363246

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4229, 4906, 8458, 46519, 93038, 943067, 1886134, 10373737, 20747474]

約数ペア:

[(1, 20747474), (2, 10373737), (11, 1886134), (22, 943067), (223, 93038), (446, 46519), (2453, 8458), (4229, 4906)]