20700424

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8011}}^1$

素因数の和:8053

約数の個数: 32

約数和(自身を含む): 43264800

約数和(自身を除く): 22564376

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8011, 16022, 32044, 64088, 136187, 152209, 272374, 304418, 544748, 608836, 1089496, 1217672, 2587553, 5175106, 10350212, 20700424]

約数ペア:

[(1, 20700424), (2, 10350212), (4, 5175106), (8, 2587553), (17, 1217672), (19, 1089496), (34, 608836), (38, 544748), (68, 304418), (76, 272374), (136, 152209), (152, 136187), (323, 64088), (646, 32044), (1292, 16022), (2584, 8011)]