20421918

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103141}}^1$

素因数の和:103160

約数の個数: 24

約数和(自身を含む): 48270456

約数和(自身を除く): 27848538

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 103141, 206282, 309423, 618846, 928269, 1134551, 1856538, 2269102, 3403653, 6807306, 10210959, 20421918]

約数ペア:

[(1, 20421918), (2, 10210959), (3, 6807306), (6, 3403653), (9, 2269102), (11, 1856538), (18, 1134551), (22, 928269), (33, 618846), (66, 309423), (99, 206282), (198, 103141)]