20347006029

素因数分解:

$3^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{338423}}^1$

素因数の和:338849

約数の個数: 24

約数和(自身を含む): 31635875520

約数和(自身を除く): 11288869491

約数列:

[1, 3, 7, 21, 49, 147, 409, 1227, 2863, 8589, 20041, 60123, 338423, 1015269, 2368961, 7106883, 16582727, 49748181, 138415007, 415245021, 968905049, 2906715147, 6782335343, 20347006029]

約数ペア:

[(1, 20347006029), (3, 6782335343), (7, 2906715147), (21, 968905049), (49, 415245021), (147, 138415007), (409, 49748181), (1227, 16582727), (2863, 7106883), (8589, 2368961), (20041, 1015269), (60123, 338423)]