20693972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2383}}^1$

素因数の和:2567

約数の個数: 24

約数和(自身を含む): 39250176

約数和(自身を除く): 18556204

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 2171, 2383, 4342, 4766, 8684, 9532, 30979, 61958, 123916, 397961, 795922, 1591844, 5173493, 10346986, 20693972]

約数ペア:

[(1, 20693972), (2, 10346986), (4, 5173493), (13, 1591844), (26, 795922), (52, 397961), (167, 123916), (334, 61958), (668, 30979), (2171, 9532), (2383, 8684), (4342, 4766)]