20957718145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1433}}^1\times {\mathrm{32143}}^1$

素因数の和:33601

約数の個数: 32

約数和(自身を含む): 30975501312

約数和(自身を除く): 10017783167

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1433, 7165, 10031, 18629, 32143, 50155, 93145, 130403, 160715, 225001, 417859, 652015, 1125005, 2089295, 2925013, 14625065, 46060919, 230304595, 322426433, 598791947, 1612132165, 2993959735, 4191543629, 20957718145]

約数ペア:

[(1, 20957718145), (5, 4191543629), (7, 2993959735), (13, 1612132165), (35, 598791947), (65, 322426433), (91, 230304595), (455, 46060919), (1433, 14625065), (7165, 2925013), (10031, 2089295), (18629, 1125005), (32143, 652015), (50155, 417859), (93145, 225001), (130403, 160715)]