20409862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9007}}^1$

素因数の和:9123

約数の個数: 16

約数和(自身を含む): 33725952

約数和(自身を除く): 13316090

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9007, 18014, 99077, 198154, 927721, 1855442, 10204931, 20409862]

約数ペア:

[(1, 20409862), (2, 10204931), (11, 1855442), (22, 927721), (103, 198154), (206, 99077), (1133, 18014), (2266, 9007)]