20173546440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{115067}}^1$

素因数の和:115571

約数の個数: 96

約数和(自身を含む): 65699225280

約数和(自身を除く): 45525678840

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, 487, 974, 1461, 1948, 2435, 2922, 3896, 4383, 4870, 5844, 7305, 8766, 9740, 11688, 14610, 17532, 19480, 21915, 29220, 35064, 43830, 58440, 87660, 115067, 175320, 230134, 345201, 460268, 575335, 690402, 920536, 1035603, 1150670, 1380804, 1726005, 2071206, 2301340, 2761608, 3452010, 4142412, 4602680, 5178015, 6904020, 8284824, 10356030, 13808040, 20712060, 41424120, 56037629, 112075258, 168112887, 224150516, 280188145, 336225774, 448301032, 504338661, 560376290, 672451548, 840564435, 1008677322, 1120752580, 1344903096, 1681128870, 2017354644, 2241505160, 2521693305, 3362257740, 4034709288, 5043386610, 6724515480, 10086773220, 20173546440]

約数ペア:

[(1, 20173546440), (2, 10086773220), (3, 6724515480), (4, 5043386610), (5, 4034709288), (6, 3362257740), (8, 2521693305), (9, 2241505160), (10, 2017354644), (12, 1681128870), (15, 1344903096), (18, 1120752580), (20, 1008677322), (24, 840564435), (30, 672451548), (36, 560376290), (40, 504338661), (45, 448301032), (60, 336225774), (72, 280188145), (90, 224150516), (120, 168112887), (180, 112075258), (360, 56037629), (487, 41424120), (974, 20712060), (1461, 13808040), (1948, 10356030), (2435, 8284824), (2922, 6904020), (3896, 5178015), (4383, 4602680), (4870, 4142412), (5844, 3452010), (7305, 2761608), (8766, 2301340), (9740, 2071206), (11688, 1726005), (14610, 1380804), (17532, 1150670), (19480, 1035603), (21915, 920536), (29220, 690402), (35064, 575335), (43830, 460268), (58440, 345201), (87660, 230134), (115067, 175320)]