20561680221

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{593}}^1\times {\mathrm{1063}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 28031173632

約数和(自身を除く): 7469493411

約数列:

[1, 3, 83, 131, 249, 393, 593, 1063, 1779, 3189, 10873, 32619, 49219, 77683, 88229, 139253, 147657, 233049, 264687, 417759, 630359, 1891077, 6447689, 11557999, 19343067, 34673997, 52319797, 82577029, 156959391, 247731087, 6853893407, 20561680221]

約数ペア:

[(1, 20561680221), (3, 6853893407), (83, 247731087), (131, 156959391), (249, 82577029), (393, 52319797), (593, 34673997), (1063, 19343067), (1779, 11557999), (3189, 6447689), (10873, 1891077), (32619, 630359), (49219, 417759), (77683, 264687), (88229, 233049), (139253, 147657)]