20538686

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86297}}^1$

素因数の和:86323

約数の個数: 16

約数和(自身を含む): 37280736

約数和(自身を除く): 16742050

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86297, 172594, 604079, 1208158, 1467049, 2934098, 10269343, 20538686]

約数ペア:

[(1, 20538686), (2, 10269343), (7, 2934098), (14, 1467049), (17, 1208158), (34, 604079), (119, 172594), (238, 86297)]