20880384

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{971}}^1$

素因数の和:1001

約数の個数: 88

約数和(自身を含む): 63669888

約数和(自身を除く): 42789504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 971, 1024, 1344, 1536, 1792, 1942, 2688, 2913, 3072, 3584, 3884, 5376, 5826, 6797, 7168, 7768, 10752, 11652, 13594, 15536, 20391, 21504, 23304, 27188, 31072, 40782, 46608, 54376, 62144, 81564, 93216, 108752, 124288, 163128, 186432, 217504, 248576, 326256, 372864, 435008, 497152, 652512, 745728, 870016, 994304, 1305024, 1491456, 1740032, 2610048, 2982912, 3480064, 5220096, 6960128, 10440192, 20880384]

約数ペア:

[(1, 20880384), (2, 10440192), (3, 6960128), (4, 5220096), (6, 3480064), (7, 2982912), (8, 2610048), (12, 1740032), (14, 1491456), (16, 1305024), (21, 994304), (24, 870016), (28, 745728), (32, 652512), (42, 497152), (48, 435008), (56, 372864), (64, 326256), (84, 248576), (96, 217504), (112, 186432), (128, 163128), (168, 124288), (192, 108752), (224, 93216), (256, 81564), (336, 62144), (384, 54376), (448, 46608), (512, 40782), (672, 31072), (768, 27188), (896, 23304), (971, 21504), (1024, 20391), (1344, 15536), (1536, 13594), (1792, 11652), (1942, 10752), (2688, 7768), (2913, 7168), (3072, 6797), (3584, 5826), (3884, 5376)]