20717258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3659}}^1$

素因数の和:3829

約数の個数: 16

約数和(自身を含む): 32940000

約数和(自身を除く): 12222742

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3659, 5662, 7318, 69521, 139042, 545191, 1090382, 10358629, 20717258]

約数ペア:

[(1, 20717258), (2, 10358629), (19, 1090382), (38, 545191), (149, 139042), (298, 69521), (2831, 7318), (3659, 5662)]