20354992

素因数分解:

$2^4\times 7^3\times {\mathrm{3709}}^1$

素因数の和:3738

約数の個数: 40

約数和(自身を含む): 46004000

約数和(自身を除く): 25649008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3709, 5488, 7418, 14836, 25963, 29672, 51926, 59344, 103852, 181741, 207704, 363482, 415408, 726964, 1272187, 1453928, 2544374, 2907856, 5088748, 10177496, 20354992]

約数ペア:

[(1, 20354992), (2, 10177496), (4, 5088748), (7, 2907856), (8, 2544374), (14, 1453928), (16, 1272187), (28, 726964), (49, 415408), (56, 363482), (98, 207704), (112, 181741), (196, 103852), (343, 59344), (392, 51926), (686, 29672), (784, 25963), (1372, 14836), (2744, 7418), (3709, 5488)]