20488832

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1793

約数の個数: 64

約数和(自身を含む): 50265600

約数和(自身を除く): 29776768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 1759, 2912, 3518, 5824, 7036, 11648, 12313, 14072, 22867, 24626, 28144, 45734, 49252, 56288, 91468, 98504, 112576, 160069, 182936, 197008, 225152, 320138, 365872, 394016, 640276, 731744, 788032, 1280552, 1463488, 1576064, 2561104, 2926976, 5122208, 10244416, 20488832]

約数ペア:

[(1, 20488832), (2, 10244416), (4, 5122208), (7, 2926976), (8, 2561104), (13, 1576064), (14, 1463488), (16, 1280552), (26, 788032), (28, 731744), (32, 640276), (52, 394016), (56, 365872), (64, 320138), (91, 225152), (104, 197008), (112, 182936), (128, 160069), (182, 112576), (208, 98504), (224, 91468), (364, 56288), (416, 49252), (448, 45734), (728, 28144), (832, 24626), (896, 22867), (1456, 14072), (1664, 12313), (1759, 11648), (2912, 7036), (3518, 5824)]