20083840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4483}}^1$

素因数の和:4509

約数の個数: 64

約数和(自身を含む): 54884160

約数和(自身を除く): 34800320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4483, 8966, 17932, 22415, 31381, 35864, 44830, 62762, 71728, 89660, 125524, 143456, 156905, 179320, 251048, 286912, 313810, 358640, 502096, 573824, 627620, 717280, 1004192, 1255240, 1434560, 2008384, 2510480, 2869120, 4016768, 5020960, 10041920, 20083840]

約数ペア:

[(1, 20083840), (2, 10041920), (4, 5020960), (5, 4016768), (7, 2869120), (8, 2510480), (10, 2008384), (14, 1434560), (16, 1255240), (20, 1004192), (28, 717280), (32, 627620), (35, 573824), (40, 502096), (56, 358640), (64, 313810), (70, 286912), (80, 251048), (112, 179320), (128, 156905), (140, 143456), (160, 125524), (224, 89660), (280, 71728), (320, 62762), (448, 44830), (560, 35864), (640, 31381), (896, 22415), (1120, 17932), (2240, 8966), (4480, 4483)]