20293581

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1489}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 34329600

約数和(自身を除く): 14036019

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1489, 1947, 4467, 4543, 10423, 13629, 16379, 31269, 49137, 87851, 114653, 263553, 343959, 614957, 966361, 1844871, 2899083, 6764527, 20293581]

約数ペア:

[(1, 20293581), (3, 6764527), (7, 2899083), (11, 1844871), (21, 966361), (33, 614957), (59, 343959), (77, 263553), (177, 114653), (231, 87851), (413, 49137), (649, 31269), (1239, 16379), (1489, 13629), (1947, 10423), (4467, 4543)]