20295653

素因数分解:

$7^4\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 20

約数和(自身を含む): 24200640

約数和(自身を除く): 3904987

約数列:

[1, 7, 49, 79, 107, 343, 553, 749, 2401, 3871, 5243, 8453, 27097, 36701, 59171, 189679, 256907, 414197, 2899379, 20295653]

約数ペア:

[(1, 20295653), (7, 2899379), (49, 414197), (79, 256907), (107, 189679), (343, 59171), (553, 36701), (749, 27097), (2401, 8453), (3871, 5243)]