20376657

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 34805760

約数和(自身を除く): 14429103

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 823, 917, 1179, 2469, 2751, 3537, 5761, 7407, 8253, 17283, 22221, 24759, 51849, 107813, 155547, 323439, 754691, 970317, 2264073, 2910951, 6792219, 20376657]

約数ペア:

[(1, 20376657), (3, 6792219), (7, 2910951), (9, 2264073), (21, 970317), (27, 754691), (63, 323439), (131, 155547), (189, 107813), (393, 51849), (823, 24759), (917, 22221), (1179, 17283), (2469, 8253), (2751, 7407), (3537, 5761)]