20658324

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 52678080

約数和(自身を除く): 32019756

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 89, 92, 116, 138, 174, 178, 267, 276, 348, 356, 534, 667, 841, 1068, 1334, 1682, 2001, 2047, 2523, 2581, 2668, 3364, 4002, 4094, 5046, 5162, 6141, 7743, 8004, 8188, 10092, 10324, 12282, 15486, 19343, 24564, 30972, 38686, 58029, 59363, 74849, 77372, 116058, 118726, 149698, 178089, 224547, 232116, 237452, 299396, 356178, 449094, 712356, 898188, 1721527, 3443054, 5164581, 6886108, 10329162, 20658324]

約数ペア:

[(1, 20658324), (2, 10329162), (3, 6886108), (4, 5164581), (6, 3443054), (12, 1721527), (23, 898188), (29, 712356), (46, 449094), (58, 356178), (69, 299396), (87, 237452), (89, 232116), (92, 224547), (116, 178089), (138, 149698), (174, 118726), (178, 116058), (267, 77372), (276, 74849), (348, 59363), (356, 58029), (534, 38686), (667, 30972), (841, 24564), (1068, 19343), (1334, 15486), (1682, 12282), (2001, 10324), (2047, 10092), (2523, 8188), (2581, 8004), (2668, 7743), (3364, 6141), (4002, 5162), (4094, 5046)]