20785098716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1153}}^1\times {\mathrm{1229}}^1$

素因数の和:2598

約数の個数: 48

約数和(自身を含む): 38551447200

約数和(自身を除く): 17766348484

約数列:

[1, 2, 4, 19, 38, 76, 193, 386, 772, 1153, 1229, 2306, 2458, 3667, 4612, 4916, 7334, 14668, 21907, 23351, 43814, 46702, 87628, 93404, 222529, 237197, 445058, 474394, 890116, 948788, 1417037, 2834074, 4228051, 4506743, 5668148, 8456102, 9013486, 16912204, 18026972, 26923703, 53847406, 107694812, 273488141, 546976282, 1093952564, 5196274679, 10392549358, 20785098716]

約数ペア:

[(1, 20785098716), (2, 10392549358), (4, 5196274679), (19, 1093952564), (38, 546976282), (76, 273488141), (193, 107694812), (386, 53847406), (772, 26923703), (1153, 18026972), (1229, 16912204), (2306, 9013486), (2458, 8456102), (3667, 5668148), (4612, 4506743), (4916, 4228051), (7334, 2834074), (14668, 1417037), (21907, 948788), (23351, 890116), (43814, 474394), (46702, 445058), (87628, 237197), (93404, 222529)]