20176384

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:426

約数の個数: 40

約数和(自身を含む): 40731768

約数和(自身を除く): 20555384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 251, 256, 314, 502, 512, 628, 1004, 1256, 2008, 2512, 4016, 5024, 8032, 10048, 16064, 20096, 32128, 39407, 40192, 64256, 78814, 80384, 128512, 157628, 315256, 630512, 1261024, 2522048, 5044096, 10088192, 20176384]

約数ペア:

[(1, 20176384), (2, 10088192), (4, 5044096), (8, 2522048), (16, 1261024), (32, 630512), (64, 315256), (128, 157628), (157, 128512), (251, 80384), (256, 78814), (314, 64256), (502, 40192), (512, 39407), (628, 32128), (1004, 20096), (1256, 16064), (2008, 10048), (2512, 8032), (4016, 5024)]