20731176585

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21937753}}^1$

素因数の和:21937774

約数の個数: 32

約数和(自身を含む): 42120487680

約数和(自身を除く): 21389311095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21937753, 65813259, 109688765, 153564271, 197439777, 329066295, 460692813, 592319331, 767821355, 987198885, 1382078439, 2303464065, 2961596655, 4146235317, 6910392195, 20731176585]

約数ペア:

[(1, 20731176585), (3, 6910392195), (5, 4146235317), (7, 2961596655), (9, 2303464065), (15, 1382078439), (21, 987198885), (27, 767821355), (35, 592319331), (45, 460692813), (63, 329066295), (105, 197439777), (135, 153564271), (189, 109688765), (315, 65813259), (945, 21937753)]