20123351600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4573489}}^1$

素因数の和:4573518

約数の個数: 60

約数和(自身を含む): 52741486680

約数和(自身を除く): 32618135080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4573489, 9146978, 18293956, 22867445, 36587912, 45734890, 50308379, 73175824, 91469780, 100616758, 114337225, 182939560, 201233516, 228674450, 251541895, 365879120, 402467032, 457348900, 503083790, 804934064, 914697800, 1006167580, 1257709475, 1829395600, 2012335160, 2515418950, 4024670320, 5030837900, 10061675800, 20123351600]

約数ペア:

[(1, 20123351600), (2, 10061675800), (4, 5030837900), (5, 4024670320), (8, 2515418950), (10, 2012335160), (11, 1829395600), (16, 1257709475), (20, 1006167580), (22, 914697800), (25, 804934064), (40, 503083790), (44, 457348900), (50, 402467032), (55, 365879120), (80, 251541895), (88, 228674450), (100, 201233516), (110, 182939560), (176, 114337225), (200, 100616758), (220, 91469780), (275, 73175824), (400, 50308379), (440, 45734890), (550, 36587912), (880, 22867445), (1100, 18293956), (2200, 9146978), (4400, 4573489)]