20907780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348463}}^1$

素因数の和:348475

約数の個数: 24

約数和(自身を含む): 58541952

約数和(自身を除く): 37634172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348463, 696926, 1045389, 1393852, 1742315, 2090778, 3484630, 4181556, 5226945, 6969260, 10453890, 20907780]

約数ペア:

[(1, 20907780), (2, 10453890), (3, 6969260), (4, 5226945), (5, 4181556), (6, 3484630), (10, 2090778), (12, 1742315), (15, 1393852), (20, 1045389), (30, 696926), (60, 348463)]