20728248

素因数分解:

$2^3\times 3^1\times {\mathrm{271}}^1\times {\mathrm{3187}}^1$

素因数の和:3467

約数の個数: 32

約数和(自身を含む): 52028160

約数和(自身を除く): 31299912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 271, 542, 813, 1084, 1626, 2168, 3187, 3252, 6374, 6504, 9561, 12748, 19122, 25496, 38244, 76488, 863677, 1727354, 2591031, 3454708, 5182062, 6909416, 10364124, 20728248]

約数ペア:

[(1, 20728248), (2, 10364124), (3, 6909416), (4, 5182062), (6, 3454708), (8, 2591031), (12, 1727354), (24, 863677), (271, 76488), (542, 38244), (813, 25496), (1084, 19122), (1626, 12748), (2168, 9561), (3187, 6504), (3252, 6374)]