20264874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2789}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 46604160

約数和(自身を除く): 26339286

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2789, 3633, 5578, 7266, 8367, 16734, 19523, 39046, 58569, 117138, 482497, 964994, 1447491, 2894982, 3377479, 6754958, 10132437, 20264874]

約数ペア:

[(1, 20264874), (2, 10132437), (3, 6754958), (6, 3377479), (7, 2894982), (14, 1447491), (21, 964994), (42, 482497), (173, 117138), (346, 58569), (519, 39046), (1038, 19523), (1211, 16734), (2422, 8367), (2789, 7266), (3633, 5578)]