20879992

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2083}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 45014400

約数和(自身を除く): 24134408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 2083, 2506, 4166, 5012, 8332, 10024, 14581, 16664, 29162, 58324, 116648, 372857, 745714, 1491428, 2609999, 2982856, 5219998, 10439996, 20879992]

約数ペア:

[(1, 20879992), (2, 10439996), (4, 5219998), (7, 2982856), (8, 2609999), (14, 1491428), (28, 745714), (56, 372857), (179, 116648), (358, 58324), (716, 29162), (1253, 16664), (1432, 14581), (2083, 10024), (2506, 8332), (4166, 5012)]