20512761997

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1774921}}^1$

素因数の和:1775068

約数の個数: 16

約数和(自身を含む): 25445281792

約数和(自身を除く): 4932519795

約数列:

[1, 7, 13, 91, 127, 889, 1651, 11557, 1774921, 12424447, 23073973, 161517811, 225414967, 1577904769, 2930394571, 20512761997]

約数ペア:

[(1, 20512761997), (7, 2930394571), (13, 1577904769), (91, 225414967), (127, 161517811), (889, 23073973), (1651, 12424447), (11557, 1774921)]