20524320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4751}}^1$

素因数の和:4775

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 51325920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4751, 9502, 14253, 19004, 23755, 28506, 38008, 42759, 47510, 57012, 71265, 76016, 85518, 95020, 114024, 128277, 142530, 152032, 171036, 190040, 213795, 228048, 256554, 285060, 342072, 380080, 427590, 456096, 513108, 570120, 641385, 684144, 760160, 855180, 1026216, 1140240, 1282770, 1368288, 1710360, 2052432, 2280480, 2565540, 3420720, 4104864, 5131080, 6841440, 10262160, 20524320]

約数ペア:

[(1, 20524320), (2, 10262160), (3, 6841440), (4, 5131080), (5, 4104864), (6, 3420720), (8, 2565540), (9, 2280480), (10, 2052432), (12, 1710360), (15, 1368288), (16, 1282770), (18, 1140240), (20, 1026216), (24, 855180), (27, 760160), (30, 684144), (32, 641385), (36, 570120), (40, 513108), (45, 456096), (48, 427590), (54, 380080), (60, 342072), (72, 285060), (80, 256554), (90, 228048), (96, 213795), (108, 190040), (120, 171036), (135, 152032), (144, 142530), (160, 128277), (180, 114024), (216, 95020), (240, 85518), (270, 76016), (288, 71265), (360, 57012), (432, 47510), (480, 42759), (540, 38008), (720, 28506), (864, 23755), (1080, 19004), (1440, 14253), (2160, 9502), (4320, 4751)]