20423820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340397}}^1$

素因数の和:340409

約数の個数: 24

約数和(自身を含む): 57186864

約数和(自身を除く): 36763044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340397, 680794, 1021191, 1361588, 1701985, 2042382, 3403970, 4084764, 5105955, 6807940, 10211910, 20423820]

約数ペア:

[(1, 20423820), (2, 10211910), (3, 6807940), (4, 5105955), (5, 4084764), (6, 3403970), (10, 2042382), (12, 1701985), (15, 1361588), (20, 1021191), (30, 680794), (60, 340397)]