20512987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 3126053

約数列:

[1, 11, 23, 89, 253, 911, 979, 2047, 10021, 20953, 22517, 81079, 230483, 891869, 1864817, 20512987]

約数ペア:

[(1, 20512987), (11, 1864817), (23, 891869), (89, 230483), (253, 81079), (911, 22517), (979, 20953), (2047, 10021)]