20089699

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 24428736

約数和(自身を除く): 4339037

約数列:

[1, 7, 17, 119, 401, 421, 2807, 2947, 6817, 7157, 47719, 50099, 168821, 1181747, 2869957, 20089699]

約数ペア:

[(1, 20089699), (7, 2869957), (17, 1181747), (119, 168821), (401, 50099), (421, 47719), (2807, 7157), (2947, 6817)]