20420411

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 2693317

約数列:

[1, 11, 37, 131, 383, 407, 1441, 4213, 4847, 14171, 50173, 53317, 155881, 551903, 1856401, 20420411]

約数ペア:

[(1, 20420411), (11, 1856401), (37, 551903), (131, 155881), (383, 53317), (407, 50173), (1441, 14171), (4213, 4847)]