20387074

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 24

約数和(自身を含む): 32370300

約数和(自身を除く): 11983226

約数列:

[1, 2, 37, 43, 74, 86, 149, 298, 1591, 1849, 3182, 3698, 5513, 6407, 11026, 12814, 68413, 136826, 237059, 275501, 474118, 551002, 10193537, 20387074]

約数ペア:

[(1, 20387074), (2, 10193537), (37, 551002), (43, 474118), (74, 275501), (86, 237059), (149, 136826), (298, 68413), (1591, 12814), (1849, 11026), (3182, 6407), (3698, 5513)]