20837160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57881}}^1$

素因数の和:57898

約数の個数: 48

約数和(自身を含む): 67721940

約数和(自身を除く): 46884780

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, 57881, 115762, 173643, 231524, 289405, 347286, 463048, 520929, 578810, 694572, 868215, 1041858, 1157620, 1389144, 1736430, 2083716, 2315240, 2604645, 3472860, 4167432, 5209290, 6945720, 10418580, 20837160]

約数ペア:

[(1, 20837160), (2, 10418580), (3, 6945720), (4, 5209290), (5, 4167432), (6, 3472860), (8, 2604645), (9, 2315240), (10, 2083716), (12, 1736430), (15, 1389144), (18, 1157620), (20, 1041858), (24, 868215), (30, 694572), (36, 578810), (40, 520929), (45, 463048), (60, 347286), (72, 289405), (90, 231524), (120, 173643), (180, 115762), (360, 57881)]