20501656

素因数分解:

$2^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1049}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 44100000

約数和(自身を除く): 23598344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 349, 698, 1049, 1396, 2098, 2443, 2792, 4196, 4886, 7343, 8392, 9772, 14686, 19544, 29372, 58744, 366101, 732202, 1464404, 2562707, 2928808, 5125414, 10250828, 20501656]

約数ペア:

[(1, 20501656), (2, 10250828), (4, 5125414), (7, 2928808), (8, 2562707), (14, 1464404), (28, 732202), (56, 366101), (349, 58744), (698, 29372), (1049, 19544), (1396, 14686), (2098, 9772), (2443, 8392), (2792, 7343), (4196, 4886)]