20125915533

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{28309}}^1$

素因数の和:28519

約数の個数: 40

約数和(自身を含む): 30747377760

約数和(自身を除く): 10621462227

約数列:

[1, 3, 9, 27, 67, 81, 131, 201, 393, 603, 1179, 1809, 3537, 5427, 8777, 10611, 26331, 28309, 78993, 84927, 236979, 254781, 710937, 764343, 1896703, 2293029, 3708479, 5690109, 11125437, 17070327, 33376311, 51210981, 100128933, 153632943, 248468093, 300386799, 745404279, 2236212837, 6708638511, 20125915533]

約数ペア:

[(1, 20125915533), (3, 6708638511), (9, 2236212837), (27, 745404279), (67, 300386799), (81, 248468093), (131, 153632943), (201, 100128933), (393, 51210981), (603, 33376311), (1179, 17070327), (1809, 11125437), (3537, 5690109), (5427, 3708479), (8777, 2293029), (10611, 1896703), (26331, 764343), (28309, 710937), (78993, 254781), (84927, 236979)]