20795220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5023}}^1$

素因数の和:5061

約数の個数: 72

約数和(自身を含む): 65834496

約数和(自身を除く): 45039276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 5023, 10046, 15069, 20092, 25115, 30138, 45207, 50230, 60276, 75345, 90414, 100460, 115529, 150690, 180828, 226035, 231058, 301380, 346587, 452070, 462116, 577645, 693174, 904140, 1039761, 1155290, 1386348, 1732935, 2079522, 2310580, 3465870, 4159044, 5198805, 6931740, 10397610, 20795220]

約数ペア:

[(1, 20795220), (2, 10397610), (3, 6931740), (4, 5198805), (5, 4159044), (6, 3465870), (9, 2310580), (10, 2079522), (12, 1732935), (15, 1386348), (18, 1155290), (20, 1039761), (23, 904140), (30, 693174), (36, 577645), (45, 462116), (46, 452070), (60, 346587), (69, 301380), (90, 231058), (92, 226035), (115, 180828), (138, 150690), (180, 115529), (207, 100460), (230, 90414), (276, 75345), (345, 60276), (414, 50230), (460, 45207), (690, 30138), (828, 25115), (1035, 20092), (1380, 15069), (2070, 10046), (4140, 5023)]