20201918

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7589}}^1$

素因数の和:7624

約数の個数: 16

約数和(自身を含む): 33335280

約数和(自身を除く): 13133362

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7589, 15178, 83479, 166958, 918269, 1836538, 10100959, 20201918]

約数ペア:

[(1, 20201918), (2, 10100959), (11, 1836538), (22, 918269), (121, 166958), (242, 83479), (1331, 15178), (2662, 7589)]