20545294

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18334706

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1499, 1958, 2998, 6853, 10493, 13706, 16489, 20986, 32978, 115423, 133411, 230846, 266822, 933877, 1467521, 1867754, 2935042, 10272647, 20545294]

約数ペア:

[(1, 20545294), (2, 10272647), (7, 2935042), (11, 1867754), (14, 1467521), (22, 933877), (77, 266822), (89, 230846), (154, 133411), (178, 115423), (623, 32978), (979, 20986), (1246, 16489), (1499, 13706), (1958, 10493), (2998, 6853)]