20172568945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{11731}}^1$

素因数の和:12565

約数の個数: 32

約数和(自身を含む): 26625070080

約数和(自身を除く): 6452501135

約数列:

[1, 5, 19, 23, 95, 115, 437, 787, 2185, 3935, 11731, 14953, 18101, 58655, 74765, 90505, 222889, 269813, 343919, 1114445, 1349065, 1719595, 5126447, 9232297, 25632235, 46161485, 175413643, 212342831, 877068215, 1061714155, 4034513789, 20172568945]

約数ペア:

[(1, 20172568945), (5, 4034513789), (19, 1061714155), (23, 877068215), (95, 212342831), (115, 175413643), (437, 46161485), (787, 25632235), (2185, 9232297), (3935, 5126447), (11731, 1719595), (14953, 1349065), (18101, 1114445), (58655, 343919), (74765, 269813), (90505, 222889)]