20940048571918

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2145936521}}^1$

素因数の和:2145936588

約数の個数: 32

約数和(自身を含む): 38935872255168

約数和(自身を除く): 17995823683250

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 4879, 9758, 2145936521, 4291873042, 15021555647, 30043111294, 36480920857, 72961841714, 87983397361, 175966794722, 255366445999, 510732891998, 615883781527, 1231767563054, 1495717755137, 2991435510274, 10470024285959, 20940048571918]

約数ペア:

[(1, 20940048571918), (2, 10470024285959), (7, 2991435510274), (14, 1495717755137), (17, 1231767563054), (34, 615883781527), (41, 510732891998), (82, 255366445999), (119, 175966794722), (238, 87983397361), (287, 72961841714), (574, 36480920857), (697, 30043111294), (1394, 15021555647), (4879, 4291873042), (9758, 2145936521)]