20512999884045

素因数分解:

$3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1\times {\mathrm{2503}}^1\times {\mathrm{18911}}^1$

素因数の和:21762

約数の個数: 64

約数和(自身を含む): 33223207256064

約数和(自身を除く): 12710207372019

約数列:

[1, 3, 5, 15, 167, 173, 501, 519, 835, 865, 2503, 2505, 2595, 7509, 12515, 18911, 28891, 37545, 56733, 86673, 94555, 144455, 283665, 418001, 433019, 433365, 1254003, 1299057, 2090005, 2165095, 3158137, 3271603, 6270015, 6495285, 9474411, 9814809, 15790685, 16358015, 47334233, 47372055, 49074045, 72314173, 142002699, 216942519, 236671165, 361570865, 546357701, 710013495, 1084712595, 1639073103, 2731788505, 7904816911, 8188822309, 8195365515, 23714450733, 24566466927, 39524084555, 40944111545, 118572253665, 122832334635, 1367533325603, 4102599976809, 6837666628015, 20512999884045]

約数ペア:

[(1, 20512999884045), (3, 6837666628015), (5, 4102599976809), (15, 1367533325603), (167, 122832334635), (173, 118572253665), (501, 40944111545), (519, 39524084555), (835, 24566466927), (865, 23714450733), (2503, 8195365515), (2505, 8188822309), (2595, 7904816911), (7509, 2731788505), (12515, 1639073103), (18911, 1084712595), (28891, 710013495), (37545, 546357701), (56733, 361570865), (86673, 236671165), (94555, 216942519), (144455, 142002699), (283665, 72314173), (418001, 49074045), (433019, 47372055), (433365, 47334233), (1254003, 16358015), (1299057, 15790685), (2090005, 9814809), (2165095, 9474411), (3158137, 6495285), (3271603, 6270015)]