20225699

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 23405760

約数和(自身を除く): 3180061

約数列:

[1, 13, 17, 71, 221, 923, 1207, 1289, 15691, 16757, 21913, 91519, 284869, 1189747, 1555823, 20225699]

約数ペア:

[(1, 20225699), (13, 1555823), (17, 1189747), (71, 284869), (221, 91519), (923, 21913), (1207, 16757), (1289, 15691)]