20895360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10883}}^1$

素因数の和:10905

約数の個数: 64

約数和(自身を含む): 66610080

約数和(自身を除く): 45714720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10883, 21766, 32649, 43532, 54415, 65298, 87064, 108830, 130596, 163245, 174128, 217660, 261192, 326490, 348256, 435320, 522384, 652980, 696512, 870640, 1044768, 1305960, 1393024, 1741280, 2089536, 2611920, 3482560, 4179072, 5223840, 6965120, 10447680, 20895360]

約数ペア:

[(1, 20895360), (2, 10447680), (3, 6965120), (4, 5223840), (5, 4179072), (6, 3482560), (8, 2611920), (10, 2089536), (12, 1741280), (15, 1393024), (16, 1305960), (20, 1044768), (24, 870640), (30, 696512), (32, 652980), (40, 522384), (48, 435320), (60, 348256), (64, 326490), (80, 261192), (96, 217660), (120, 174128), (128, 163245), (160, 130596), (192, 108830), (240, 87064), (320, 65298), (384, 54415), (480, 43532), (640, 32649), (960, 21766), (1920, 10883)]