20120943

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4253}}^1$

素因数の和:4358

約数の個数: 16

約数和(自身を含む): 28586880

約数和(自身を除く): 8465937

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4253, 4731, 12759, 80807, 242421, 352999, 1058997, 6706981, 20120943]

約数ペア:

[(1, 20120943), (3, 6706981), (19, 1058997), (57, 352999), (83, 242421), (249, 80807), (1577, 12759), (4253, 4731)]