20958268604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{4909}}^1$

素因数の和:5287

約数の個数: 96

約数和(自身を含む): 46516632960

約数和(自身を除く): 25558364356

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 317, 364, 481, 518, 634, 962, 1036, 1268, 1924, 2219, 3367, 4121, 4438, 4909, 6734, 8242, 8876, 9818, 11729, 13468, 16484, 19636, 23458, 28847, 34363, 46916, 57694, 63817, 68726, 82103, 115388, 127634, 137452, 152477, 164206, 181633, 255268, 304954, 328412, 363266, 446719, 609908, 726532, 893438, 1067339, 1271431, 1556153, 1786876, 2134678, 2361229, 2542862, 3112306, 4269356, 4722458, 5085724, 6224612, 9444916, 10893071, 16528603, 20229989, 21786142, 33057206, 40459978, 43572284, 57577661, 66114412, 80919956, 115155322, 141609923, 230310644, 283219846, 403043627, 566439692, 748509593, 806087254, 1497019186, 1612174508, 2994038372, 5239567151, 10479134302, 20958268604]

約数ペア:

[(1, 20958268604), (2, 10479134302), (4, 5239567151), (7, 2994038372), (13, 1612174508), (14, 1497019186), (26, 806087254), (28, 748509593), (37, 566439692), (52, 403043627), (74, 283219846), (91, 230310644), (148, 141609923), (182, 115155322), (259, 80919956), (317, 66114412), (364, 57577661), (481, 43572284), (518, 40459978), (634, 33057206), (962, 21786142), (1036, 20229989), (1268, 16528603), (1924, 10893071), (2219, 9444916), (3367, 6224612), (4121, 5085724), (4438, 4722458), (4909, 4269356), (6734, 3112306), (8242, 2542862), (8876, 2361229), (9818, 2134678), (11729, 1786876), (13468, 1556153), (16484, 1271431), (19636, 1067339), (23458, 893438), (28847, 726532), (34363, 609908), (46916, 446719), (57694, 363266), (63817, 328412), (68726, 304954), (82103, 255268), (115388, 181633), (127634, 164206), (137452, 152477)]