20687820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344797}}^1$

素因数の和:344809

約数の個数: 24

約数和(自身を含む): 57926064

約数和(自身を除く): 37238244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344797, 689594, 1034391, 1379188, 1723985, 2068782, 3447970, 4137564, 5171955, 6895940, 10343910, 20687820]

約数ペア:

[(1, 20687820), (2, 10343910), (3, 6895940), (4, 5171955), (5, 4137564), (6, 3447970), (10, 2068782), (12, 1723985), (15, 1379188), (20, 1034391), (30, 689594), (60, 344797)]