20126691728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131293}}^1$

素因数の和:131392

約数の個数: 80

約数和(自身を含む): 46496982336

約数和(自身を除く): 26370290608

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 67, 88, 104, 134, 143, 176, 208, 268, 286, 536, 572, 737, 871, 1072, 1144, 1474, 1742, 2288, 2948, 3484, 5896, 6968, 9581, 11792, 13936, 19162, 38324, 76648, 131293, 153296, 262586, 525172, 1050344, 1444223, 1706809, 2100688, 2888446, 3413618, 5776892, 6827236, 8796631, 11553784, 13654472, 17593262, 18774899, 23107568, 27308944, 35186524, 37549798, 70373048, 75099596, 96762941, 114356203, 140746096, 150199192, 193525882, 228712406, 300398384, 387051764, 457424812, 774103528, 914849624, 1257918233, 1548207056, 1829699248, 2515836466, 5031672932, 10063345864, 20126691728]

約数ペア:

[(1, 20126691728), (2, 10063345864), (4, 5031672932), (8, 2515836466), (11, 1829699248), (13, 1548207056), (16, 1257918233), (22, 914849624), (26, 774103528), (44, 457424812), (52, 387051764), (67, 300398384), (88, 228712406), (104, 193525882), (134, 150199192), (143, 140746096), (176, 114356203), (208, 96762941), (268, 75099596), (286, 70373048), (536, 37549798), (572, 35186524), (737, 27308944), (871, 23107568), (1072, 18774899), (1144, 17593262), (1474, 13654472), (1742, 11553784), (2288, 8796631), (2948, 6827236), (3484, 5776892), (5896, 3413618), (6968, 2888446), (9581, 2100688), (11792, 1706809), (13936, 1444223), (19162, 1050344), (38324, 525172), (76648, 262586), (131293, 153296)]