20429871

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1499}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 14130129

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1499, 1947, 4497, 4543, 10493, 13629, 16489, 31479, 49467, 88441, 115423, 265323, 346269, 619087, 972851, 1857261, 2918553, 6809957, 20429871]

約数ペア:

[(1, 20429871), (3, 6809957), (7, 2918553), (11, 1857261), (21, 972851), (33, 619087), (59, 346269), (77, 265323), (177, 115423), (231, 88441), (413, 49467), (649, 31479), (1239, 16489), (1499, 13629), (1947, 10493), (4497, 4543)]