20290041

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 11044359

約数列:

[1, 3, 9, 27, 47, 59, 141, 177, 271, 423, 531, 813, 1269, 1593, 2439, 2773, 7317, 8319, 12737, 15989, 24957, 38211, 47967, 74871, 114633, 143901, 343899, 431703, 751483, 2254449, 6763347, 20290041]

約数ペア:

[(1, 20290041), (3, 6763347), (9, 2254449), (27, 751483), (47, 431703), (59, 343899), (141, 143901), (177, 114633), (271, 74871), (423, 47967), (531, 38211), (813, 24957), (1269, 15989), (1593, 12737), (2439, 8319), (2773, 7317)]