20651246

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19157}}^1$

素因数の和:19184

約数の個数: 24

約数和(自身を含む): 39312216

約数和(自身を除く): 18660970

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19157, 38314, 134099, 210727, 268198, 421454, 938693, 1475089, 1877386, 2950178, 10325623, 20651246]

約数ペア:

[(1, 20651246), (2, 10325623), (7, 2950178), (11, 1877386), (14, 1475089), (22, 938693), (49, 421454), (77, 268198), (98, 210727), (154, 134099), (539, 38314), (1078, 19157)]