20123992371

素因数分解:

$3^1\times 7^1\times {\mathrm{733}}^1\times {\mathrm{1307347}}^1$

素因数の和:1308090

約数の個数: 16

約数和(自身を含む): 30706989824

約数和(自身を除く): 10582997453

約数列:

[1, 3, 7, 21, 733, 2199, 5131, 15393, 1307347, 3922041, 9151429, 27454287, 958285351, 2874856053, 6707997457, 20123992371]

約数ペア:

[(1, 20123992371), (3, 6707997457), (7, 2874856053), (21, 958285351), (733, 27454287), (2199, 9151429), (5131, 3922041), (15393, 1307347)]