20790620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45197}}^1$

素因数の和:45229

約数の個数: 24

約数和(自身を含む): 45559584

約数和(自身を除く): 24768964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45197, 90394, 180788, 225985, 451970, 903940, 1039531, 2079062, 4158124, 5197655, 10395310, 20790620]

約数ペア:

[(1, 20790620), (2, 10395310), (4, 5197655), (5, 4158124), (10, 2079062), (20, 1039531), (23, 903940), (46, 451970), (92, 225985), (115, 180788), (230, 90394), (460, 45197)]