20669820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344497}}^1$

素因数の和:344509

約数の個数: 24

約数和(自身を含む): 57875664

約数和(自身を除く): 37205844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344497, 688994, 1033491, 1377988, 1722485, 2066982, 3444970, 4133964, 5167455, 6889940, 10334910, 20669820]

約数ペア:

[(1, 20669820), (2, 10334910), (3, 6889940), (4, 5167455), (5, 4133964), (6, 3444970), (10, 2066982), (12, 1722485), (15, 1377988), (20, 1033491), (30, 688994), (60, 344497)]