20783940020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1\times {\mathrm{1087}}^1$

素因数の和:1933

約数の個数: 96

約数和(自身を含む): 46734213120

約数和(自身を除く): 25950273100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 751, 1087, 1273, 1340, 1502, 2174, 2546, 3004, 3755, 4348, 5092, 5435, 6365, 7510, 10870, 12730, 14269, 15020, 20653, 21740, 25460, 28538, 41306, 50317, 57076, 71345, 72829, 82612, 100634, 103265, 142690, 145658, 201268, 206530, 251585, 285380, 291316, 364145, 413060, 503170, 728290, 816337, 956023, 1006340, 1383751, 1456580, 1632674, 1912046, 2767502, 3265348, 3824092, 4081685, 4780115, 5535004, 6918755, 8163370, 9560230, 13837510, 15510403, 16326740, 19120460, 27675020, 31020806, 54694579, 62041612, 77552015, 109389158, 155104030, 218778316, 273472895, 310208060, 546945790, 1039197001, 1093891580, 2078394002, 4156788004, 5195985005, 10391970010, 20783940020]

約数ペア:

[(1, 20783940020), (2, 10391970010), (4, 5195985005), (5, 4156788004), (10, 2078394002), (19, 1093891580), (20, 1039197001), (38, 546945790), (67, 310208060), (76, 273472895), (95, 218778316), (134, 155104030), (190, 109389158), (268, 77552015), (335, 62041612), (380, 54694579), (670, 31020806), (751, 27675020), (1087, 19120460), (1273, 16326740), (1340, 15510403), (1502, 13837510), (2174, 9560230), (2546, 8163370), (3004, 6918755), (3755, 5535004), (4348, 4780115), (5092, 4081685), (5435, 3824092), (6365, 3265348), (7510, 2767502), (10870, 1912046), (12730, 1632674), (14269, 1456580), (15020, 1383751), (20653, 1006340), (21740, 956023), (25460, 816337), (28538, 728290), (41306, 503170), (50317, 413060), (57076, 364145), (71345, 291316), (72829, 285380), (82612, 251585), (100634, 206530), (103265, 201268), (142690, 145658)]