20196990961

素因数分解:

$7^2\times {\mathrm{401}}^1\times {\mathrm{937}}^1\times {\mathrm{1097}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 23599678536

約数和(自身を除く): 3402687575

約数列:

[1, 7, 49, 401, 937, 1097, 2807, 6559, 7679, 19649, 45913, 53753, 375737, 439897, 1027889, 2630159, 3079279, 7195223, 18411113, 21554953, 50366561, 412183489, 2885284423, 20196990961]

約数ペア:

[(1, 20196990961), (7, 2885284423), (49, 412183489), (401, 50366561), (937, 21554953), (1097, 18411113), (2807, 7195223), (6559, 3079279), (7679, 2630159), (19649, 1027889), (45913, 439897), (53753, 375737)]