20407841265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1418689}}^1$

素因数の和:1418841

約数の個数: 32

約数和(自身を含む): 37589610240

約数和(自身を除く): 17181768975

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 2055, 2877, 4795, 14385, 1418689, 4256067, 7093445, 9930823, 21280335, 29792469, 49654115, 148962345, 194360393, 583081179, 971801965, 1360522751, 2915405895, 4081568253, 6802613755, 20407841265]

約数ペア:

[(1, 20407841265), (3, 6802613755), (5, 4081568253), (7, 2915405895), (15, 1360522751), (21, 971801965), (35, 583081179), (105, 194360393), (137, 148962345), (411, 49654115), (685, 29792469), (959, 21280335), (2055, 9930823), (2877, 7093445), (4795, 4256067), (14385, 1418689)]