20372611

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 24199168

約数和(自身を除く): 3826557

約数列:

[1, 7, 31, 217, 223, 421, 1561, 2947, 6913, 13051, 48391, 91357, 93883, 657181, 2910373, 20372611]

約数ペア:

[(1, 20372611), (7, 2910373), (31, 657181), (217, 93883), (223, 91357), (421, 48391), (1561, 13051), (2947, 6913)]