20173478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 34739040

約数和(自身を除く): 14565562

約数列:

[1, 2, 13, 19, 26, 38, 97, 194, 247, 421, 494, 842, 1261, 1843, 2522, 3686, 5473, 7999, 10946, 15998, 23959, 40837, 47918, 81674, 103987, 207974, 530881, 775903, 1061762, 1551806, 10086739, 20173478]

約数ペア:

[(1, 20173478), (2, 10086739), (13, 1551806), (19, 1061762), (26, 775903), (38, 530881), (97, 207974), (194, 103987), (247, 81674), (421, 47918), (494, 40837), (842, 23959), (1261, 15998), (1843, 10946), (2522, 7999), (3686, 5473)]