60840020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{45403}}^1$

素因数の和:45479

約数の個数: 24

約数和(自身を含む): 129673824

約数和(自身を除く): 68833804

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 45403, 90806, 181612, 227015, 454030, 908060, 3042001, 6084002, 12168004, 15210005, 30420010, 60840020]

約数ペア:

[(1, 60840020), (2, 30420010), (4, 15210005), (5, 12168004), (10, 6084002), (20, 3042001), (67, 908060), (134, 454030), (268, 227015), (335, 181612), (670, 90806), (1340, 45403)]