20115872

素因数分解:

$2^5\times 7^2\times {\mathrm{12829}}^1$

素因数の和:12853

約数の個数: 36

約数和(自身を含む): 46072530

約数和(自身を除く): 25956658

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12829, 25658, 51316, 89803, 102632, 179606, 205264, 359212, 410528, 628621, 718424, 1257242, 1436848, 2514484, 2873696, 5028968, 10057936, 20115872]

約数ペア:

[(1, 20115872), (2, 10057936), (4, 5028968), (7, 2873696), (8, 2514484), (14, 1436848), (16, 1257242), (28, 718424), (32, 628621), (49, 410528), (56, 359212), (98, 205264), (112, 179606), (196, 102632), (224, 89803), (392, 51316), (784, 25658), (1568, 12829)]