20018176

素因数分解:

$2^{10}\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 44

約数和(自身を含む): 40604292

約数和(自身を除く): 20586116

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 173, 226, 256, 346, 452, 512, 692, 904, 1024, 1384, 1808, 2768, 3616, 5536, 7232, 11072, 14464, 19549, 22144, 28928, 39098, 44288, 57856, 78196, 88576, 115712, 156392, 177152, 312784, 625568, 1251136, 2502272, 5004544, 10009088, 20018176]

約数ペア:

[(1, 20018176), (2, 10009088), (4, 5004544), (8, 2502272), (16, 1251136), (32, 625568), (64, 312784), (113, 177152), (128, 156392), (173, 115712), (226, 88576), (256, 78196), (346, 57856), (452, 44288), (512, 39098), (692, 28928), (904, 22144), (1024, 19549), (1384, 14464), (1808, 11072), (2768, 7232), (3616, 5536)]