20153703040

素因数分解:

$2^7\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{16759}}^1$

素因数の和:18657

約数の個数: 64

約数和(自身を含む): 48208464000

約数和(自身を除く): 28054760960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1879, 3758, 7516, 9395, 15032, 16759, 18790, 30064, 33518, 37580, 60128, 67036, 75160, 83795, 120256, 134072, 150320, 167590, 240512, 268144, 300640, 335180, 536288, 601280, 670360, 1072576, 1202560, 1340720, 2145152, 2681440, 5362880, 10725760, 31490161, 62980322, 125960644, 157450805, 251921288, 314901610, 503842576, 629803220, 1007685152, 1259606440, 2015370304, 2519212880, 4030740608, 5038425760, 10076851520, 20153703040]

約数ペア:

[(1, 20153703040), (2, 10076851520), (4, 5038425760), (5, 4030740608), (8, 2519212880), (10, 2015370304), (16, 1259606440), (20, 1007685152), (32, 629803220), (40, 503842576), (64, 314901610), (80, 251921288), (128, 157450805), (160, 125960644), (320, 62980322), (640, 31490161), (1879, 10725760), (3758, 5362880), (7516, 2681440), (9395, 2145152), (15032, 1340720), (16759, 1202560), (18790, 1072576), (30064, 670360), (33518, 601280), (37580, 536288), (60128, 335180), (67036, 300640), (75160, 268144), (83795, 240512), (120256, 167590), (134072, 150320)]