20531520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7129}}^1$

素因数の和:7152

約数の個数: 84

約数和(自身を含む): 70629780

約数和(自身を除く): 50098260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7129, 14258, 21387, 28516, 35645, 42774, 57032, 64161, 71290, 85548, 106935, 114064, 128322, 142580, 171096, 213870, 228128, 256644, 285160, 320805, 342192, 427740, 456256, 513288, 570320, 641610, 684384, 855480, 1026576, 1140640, 1283220, 1368768, 1710960, 2053152, 2281280, 2566440, 3421920, 4106304, 5132880, 6843840, 10265760, 20531520]

約数ペア:

[(1, 20531520), (2, 10265760), (3, 6843840), (4, 5132880), (5, 4106304), (6, 3421920), (8, 2566440), (9, 2281280), (10, 2053152), (12, 1710960), (15, 1368768), (16, 1283220), (18, 1140640), (20, 1026576), (24, 855480), (30, 684384), (32, 641610), (36, 570320), (40, 513288), (45, 456256), (48, 427740), (60, 342192), (64, 320805), (72, 285160), (80, 256644), (90, 228128), (96, 213870), (120, 171096), (144, 142580), (160, 128322), (180, 114064), (192, 106935), (240, 85548), (288, 71290), (320, 64161), (360, 57032), (480, 42774), (576, 35645), (720, 28516), (960, 21387), (1440, 14258), (2880, 7129)]