20565579874

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9858859}}^1$

素因数の和:9859017

約数の個数: 16

約数和(自身を含む): 35491896000

約数和(自身を除く): 14926316126

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 9858859, 19717718, 69012013, 138024026, 1468969991, 2937939982, 10282789937, 20565579874]

約数ペア:

[(1, 20565579874), (2, 10282789937), (7, 2937939982), (14, 1468969991), (149, 138024026), (298, 69012013), (1043, 19717718), (2086, 9858859)]