20521083

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 32808960

約数和(自身を除く): 12287877

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1423, 4269, 4807, 14421, 15653, 27037, 32729, 46959, 81111, 98187, 297407, 360019, 621851, 892221, 1080057, 1865553, 6840361, 20521083]

約数ペア:

[(1, 20521083), (3, 6840361), (11, 1865553), (19, 1080057), (23, 892221), (33, 621851), (57, 360019), (69, 297407), (209, 98187), (253, 81111), (437, 46959), (627, 32729), (759, 27037), (1311, 15653), (1423, 14421), (4269, 4807)]