20408977386342

素因数分解:

$2^1\times 3^4\times {\mathrm{36721}}^1\times {\mathrm{3430771}}^1$

素因数の和:3467506

約数の個数: 40

約数和(自身を含む): 45732485806392

約数和(自身を除く): 25323508420050

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 36721, 73442, 110163, 220326, 330489, 660978, 991467, 1982934, 2974401, 3430771, 5948802, 6861542, 10292313, 20584626, 30876939, 61753878, 92630817, 185261634, 277892451, 555784902, 125981341891, 251962683782, 377944025673, 755888051346, 1133832077019, 2267664154038, 3401496231057, 6802992462114, 10204488693171, 20408977386342]

約数ペア:

[(1, 20408977386342), (2, 10204488693171), (3, 6802992462114), (6, 3401496231057), (9, 2267664154038), (18, 1133832077019), (27, 755888051346), (54, 377944025673), (81, 251962683782), (162, 125981341891), (36721, 555784902), (73442, 277892451), (110163, 185261634), (220326, 92630817), (330489, 61753878), (660978, 30876939), (991467, 20584626), (1982934, 10292313), (2974401, 6861542), (3430771, 5948802)]