20525211

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 35059200

約数和(自身を除く): 14533989

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 829, 917, 1179, 2487, 2751, 3537, 5803, 7461, 8253, 17409, 22383, 24759, 52227, 108599, 156681, 325797, 760193, 977391, 2280579, 2932173, 6841737, 20525211]

約数ペア:

[(1, 20525211), (3, 6841737), (7, 2932173), (9, 2280579), (21, 977391), (27, 760193), (63, 325797), (131, 156681), (189, 108599), (393, 52227), (829, 24759), (917, 22383), (1179, 17409), (2487, 8253), (2751, 7461), (3537, 5803)]