20712204

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 55823040

約数和(自身を除く): 35110836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 107, 114, 171, 214, 228, 283, 321, 342, 428, 566, 642, 684, 849, 963, 1132, 1284, 1698, 1926, 2033, 2547, 3396, 3852, 4066, 5094, 5377, 6099, 8132, 10188, 10754, 12198, 16131, 18297, 21508, 24396, 30281, 32262, 36594, 48393, 60562, 64524, 73188, 90843, 96786, 121124, 181686, 193572, 272529, 363372, 545058, 575339, 1090116, 1150678, 1726017, 2301356, 3452034, 5178051, 6904068, 10356102, 20712204]

約数ペア:

[(1, 20712204), (2, 10356102), (3, 6904068), (4, 5178051), (6, 3452034), (9, 2301356), (12, 1726017), (18, 1150678), (19, 1090116), (36, 575339), (38, 545058), (57, 363372), (76, 272529), (107, 193572), (114, 181686), (171, 121124), (214, 96786), (228, 90843), (283, 73188), (321, 64524), (342, 60562), (428, 48393), (566, 36594), (642, 32262), (684, 30281), (849, 24396), (963, 21508), (1132, 18297), (1284, 16131), (1698, 12198), (1926, 10754), (2033, 10188), (2547, 8132), (3396, 6099), (3852, 5377), (4066, 5094)]