20857260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347621}}^1$

素因数の和:347633

約数の個数: 24

約数和(自身を含む): 58400496

約数和(自身を除く): 37543236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347621, 695242, 1042863, 1390484, 1738105, 2085726, 3476210, 4171452, 5214315, 6952420, 10428630, 20857260]

約数ペア:

[(1, 20857260), (2, 10428630), (3, 6952420), (4, 5214315), (5, 4171452), (6, 3476210), (10, 2085726), (12, 1738105), (15, 1390484), (20, 1042863), (30, 695242), (60, 347621)]