20539054

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:747

約数の個数: 16

約数和(自身を含む): 31284000

約数和(自身を除く): 10744946

約数列:

[1, 2, 149, 157, 298, 314, 439, 878, 23393, 46786, 65411, 68923, 130822, 137846, 10269527, 20539054]

約数ペア:

[(1, 20539054), (2, 10269527), (149, 137846), (157, 130822), (298, 68923), (314, 65411), (439, 46786), (878, 23393)]