20219989239

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{108887}}^1$

素因数の和:109379

約数の個数: 24

約数和(自身を含む): 29896289280

約数和(自身を除く): 9676300041

約数列:

[1, 3, 9, 47, 141, 423, 439, 1317, 3951, 20633, 61899, 108887, 185697, 326661, 979983, 5117689, 15353067, 46059201, 47801393, 143404179, 430212537, 2246665471, 6739996413, 20219989239]

約数ペア:

[(1, 20219989239), (3, 6739996413), (9, 2246665471), (47, 430212537), (141, 143404179), (423, 47801393), (439, 46059201), (1317, 15353067), (3951, 5117689), (20633, 979983), (61899, 326661), (108887, 185697)]