20292345

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10487}}^1$

素因数の和:10541

約数の個数: 24

約数和(自身を含む): 35994816

約数和(自身を除く): 15702471

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10487, 31461, 52435, 94383, 157305, 450941, 471915, 1352823, 2254705, 4058469, 6764115, 20292345]

約数ペア:

[(1, 20292345), (3, 6764115), (5, 4058469), (9, 2254705), (15, 1352823), (43, 471915), (45, 450941), (129, 157305), (215, 94383), (387, 52435), (645, 31461), (1935, 10487)]