20216351917

素因数分解:

${\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1\times {\mathrm{1997}}^1$

素因数の和:3108

約数の個数: 16

約数和(自身を含む): 20790836352

約数和(自身を除く): 574484435

約数列:

[1, 43, 311, 757, 1997, 13373, 32551, 85871, 235427, 621067, 1511729, 10123361, 26705881, 65004347, 470147719, 20216351917]

約数ペア:

[(1, 20216351917), (43, 470147719), (311, 65004347), (757, 26705881), (1997, 10123361), (13373, 1511729), (32551, 621067), (85871, 235427)]