20888121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6113}}^1$

素因数の和:6200

約数の個数: 16

約数和(自身を含む): 29934144

約数和(自身を除く): 9046023

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 6113, 18339, 103921, 311763, 409571, 1228713, 6962707, 20888121]

約数ペア:

[(1, 20888121), (3, 6962707), (17, 1228713), (51, 409571), (67, 311763), (201, 103921), (1139, 18339), (3417, 6113)]