20654678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6301}}^1$

素因数の和:6463

約数の個数: 16

約数和(自身を含む): 34030800

約数和(自身を除く): 13376122

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 6301, 12602, 69311, 138622, 938849, 1877698, 10327339, 20654678]

約数ペア:

[(1, 20654678), (2, 10327339), (11, 1877698), (22, 938849), (149, 138622), (298, 69311), (1639, 12602), (3278, 6301)]