20001938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 14290222

約数列:

[1, 2, 11, 22, 29, 58, 107, 214, 293, 319, 586, 638, 1177, 2354, 3103, 3223, 6206, 6446, 8497, 16994, 31351, 34133, 62702, 68266, 93467, 186934, 344861, 689722, 909179, 1818358, 10000969, 20001938]

約数ペア:

[(1, 20001938), (2, 10000969), (11, 1818358), (22, 909179), (29, 689722), (58, 344861), (107, 186934), (214, 93467), (293, 68266), (319, 62702), (586, 34133), (638, 31351), (1177, 16994), (2354, 8497), (3103, 6446), (3223, 6206)]