20791833

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 10888167

約数列:

[1, 3, 17, 19, 43, 51, 57, 129, 323, 499, 731, 817, 969, 1497, 2193, 2451, 8483, 9481, 13889, 21457, 25449, 28443, 41667, 64371, 161177, 364769, 407683, 483531, 1094307, 1223049, 6930611, 20791833]

約数ペア:

[(1, 20791833), (3, 6930611), (17, 1223049), (19, 1094307), (43, 483531), (51, 407683), (57, 364769), (129, 161177), (323, 64371), (499, 41667), (731, 28443), (817, 25449), (969, 21457), (1497, 13889), (2193, 9481), (2451, 8483)]