20940288

素因数分解:

$2^9\times 3^1\times {\mathrm{13633}}^1$

素因数の和:13654

約数の個数: 40

約数和(自身を含む): 55790328

約数和(自身を除く): 34850040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13633, 27266, 40899, 54532, 81798, 109064, 163596, 218128, 327192, 436256, 654384, 872512, 1308768, 1745024, 2617536, 3490048, 5235072, 6980096, 10470144, 20940288]

約数ペア:

[(1, 20940288), (2, 10470144), (3, 6980096), (4, 5235072), (6, 3490048), (8, 2617536), (12, 1745024), (16, 1308768), (24, 872512), (32, 654384), (48, 436256), (64, 327192), (96, 218128), (128, 163596), (192, 109064), (256, 81798), (384, 54532), (512, 40899), (768, 27266), (1536, 13633)]