20187631458

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{65899}}^1$

素因数の和:66005

約数の個数: 80

約数和(自身を含む): 47460652800

約数和(自身を除く): 27273021342

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 61, 62, 81, 93, 122, 162, 183, 186, 279, 366, 549, 558, 837, 1098, 1647, 1674, 1891, 2511, 3294, 3782, 4941, 5022, 5673, 9882, 11346, 17019, 34038, 51057, 65899, 102114, 131798, 153171, 197697, 306342, 395394, 593091, 1186182, 1779273, 2042869, 3558546, 4019839, 4085738, 5337819, 6128607, 8039678, 10675638, 12059517, 12257214, 18385821, 24119034, 36178551, 36771642, 55157463, 72357102, 108535653, 110314926, 124615009, 165472389, 217071306, 249230018, 325606959, 330944778, 373845027, 651213918, 747690054, 1121535081, 2243070162, 3364605243, 6729210486, 10093815729, 20187631458]

約数ペア:

[(1, 20187631458), (2, 10093815729), (3, 6729210486), (6, 3364605243), (9, 2243070162), (18, 1121535081), (27, 747690054), (31, 651213918), (54, 373845027), (61, 330944778), (62, 325606959), (81, 249230018), (93, 217071306), (122, 165472389), (162, 124615009), (183, 110314926), (186, 108535653), (279, 72357102), (366, 55157463), (549, 36771642), (558, 36178551), (837, 24119034), (1098, 18385821), (1647, 12257214), (1674, 12059517), (1891, 10675638), (2511, 8039678), (3294, 6128607), (3782, 5337819), (4941, 4085738), (5022, 4019839), (5673, 3558546), (9882, 2042869), (11346, 1779273), (17019, 1186182), (34038, 593091), (51057, 395394), (65899, 306342), (102114, 197697), (131798, 153171)]