20096912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1391

約数の個数: 40

約数和(自身を含む): 42988320

約数和(自身を除く): 22891408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1283, 1424, 1958, 2566, 3916, 5132, 7832, 10264, 14113, 15664, 20528, 28226, 56452, 112904, 114187, 225808, 228374, 456748, 913496, 1256057, 1826992, 2512114, 5024228, 10048456, 20096912]

約数ペア:

[(1, 20096912), (2, 10048456), (4, 5024228), (8, 2512114), (11, 1826992), (16, 1256057), (22, 913496), (44, 456748), (88, 228374), (89, 225808), (176, 114187), (178, 112904), (356, 56452), (712, 28226), (979, 20528), (1283, 15664), (1424, 14113), (1958, 10264), (2566, 7832), (3916, 5132)]