20348523461

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1150349}}^1$

素因数の和:1150401

約数の個数: 18

約数和(自身を含む): 24982150950

約数和(自身を除く): 4633627489

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 1150349, 8052443, 21856631, 56367101, 152996417, 415275989, 1070974919, 2906931923, 20348523461]

約数ペア:

[(1, 20348523461), (7, 2906931923), (19, 1070974919), (49, 415275989), (133, 152996417), (361, 56367101), (931, 21856631), (2527, 8052443), (17689, 1150349)]