20688120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57467}}^1$

素因数の和:57484

約数の個数: 48

約数和(自身を含む): 67237560

約数和(自身を除く): 46549440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57467, 114934, 172401, 229868, 287335, 344802, 459736, 517203, 574670, 689604, 862005, 1034406, 1149340, 1379208, 1724010, 2068812, 2298680, 2586015, 3448020, 4137624, 5172030, 6896040, 10344060, 20688120]

約数ペア:

[(1, 20688120), (2, 10344060), (3, 6896040), (4, 5172030), (5, 4137624), (6, 3448020), (8, 2586015), (9, 2298680), (10, 2068812), (12, 1724010), (15, 1379208), (18, 1149340), (20, 1034406), (24, 862005), (30, 689604), (36, 574670), (40, 517203), (45, 459736), (60, 344802), (72, 287335), (90, 229868), (120, 172401), (180, 114934), (360, 57467)]