20785824

素因数分解:

$2^5\times 3^2\times {\mathrm{72173}}^1$

素因数の和:72189

約数の個数: 36

約数和(自身を含む): 59110506

約数和(自身を除く): 38324682

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72173, 144346, 216519, 288692, 433038, 577384, 649557, 866076, 1154768, 1299114, 1732152, 2309536, 2598228, 3464304, 5196456, 6928608, 10392912, 20785824]

約数ペア:

[(1, 20785824), (2, 10392912), (3, 6928608), (4, 5196456), (6, 3464304), (8, 2598228), (9, 2309536), (12, 1732152), (16, 1299114), (18, 1154768), (24, 866076), (32, 649557), (36, 577384), (48, 433038), (72, 288692), (96, 216519), (144, 144346), (288, 72173)]