20620080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2235

約数の個数: 120

約数和(自身を含む): 74609808

約数和(自身を除く): 53989728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2203, 2340, 3120, 4406, 4680, 6609, 8812, 9360, 11015, 13218, 17624, 19827, 22030, 26436, 28639, 33045, 35248, 39654, 44060, 52872, 57278, 66090, 79308, 85917, 88120, 99135, 105744, 114556, 132180, 143195, 158616, 171834, 176240, 198270, 229112, 257751, 264360, 286390, 317232, 343668, 396540, 429585, 458224, 515502, 528720, 572780, 687336, 793080, 859170, 1031004, 1145560, 1288755, 1374672, 1586160, 1718340, 2062008, 2291120, 2577510, 3436680, 4124016, 5155020, 6873360, 10310040, 20620080]

約数ペア:

[(1, 20620080), (2, 10310040), (3, 6873360), (4, 5155020), (5, 4124016), (6, 3436680), (8, 2577510), (9, 2291120), (10, 2062008), (12, 1718340), (13, 1586160), (15, 1374672), (16, 1288755), (18, 1145560), (20, 1031004), (24, 859170), (26, 793080), (30, 687336), (36, 572780), (39, 528720), (40, 515502), (45, 458224), (48, 429585), (52, 396540), (60, 343668), (65, 317232), (72, 286390), (78, 264360), (80, 257751), (90, 229112), (104, 198270), (117, 176240), (120, 171834), (130, 158616), (144, 143195), (156, 132180), (180, 114556), (195, 105744), (208, 99135), (234, 88120), (240, 85917), (260, 79308), (312, 66090), (360, 57278), (390, 52872), (468, 44060), (520, 39654), (585, 35248), (624, 33045), (720, 28639), (780, 26436), (936, 22030), (1040, 19827), (1170, 17624), (1560, 13218), (1872, 11015), (2203, 9360), (2340, 8812), (3120, 6609), (4406, 4680)]