20392924713

素因数分解:

$3^1\times 7^6\times {\mathrm{19}}^1\times {\mathrm{3041}}^1$

素因数の和:3105

約数の個数: 56

約数和(自身を含む): 33402863520

約数和(自身を除く): 13009938807

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2401, 2793, 3041, 6517, 7203, 9123, 16807, 19551, 21287, 45619, 50421, 57779, 63861, 117649, 136857, 149009, 173337, 319333, 352947, 404453, 447027, 957999, 1043063, 1213359, 2235331, 2831171, 3129189, 6705993, 7301441, 8493513, 19818197, 21904323, 51110087, 59454591, 138727379, 153330261, 357770609, 416182137, 971091653, 1073311827, 2913274959, 6797641571, 20392924713]

約数ペア:

[(1, 20392924713), (3, 6797641571), (7, 2913274959), (19, 1073311827), (21, 971091653), (49, 416182137), (57, 357770609), (133, 153330261), (147, 138727379), (343, 59454591), (399, 51110087), (931, 21904323), (1029, 19818197), (2401, 8493513), (2793, 7301441), (3041, 6705993), (6517, 3129189), (7203, 2831171), (9123, 2235331), (16807, 1213359), (19551, 1043063), (21287, 957999), (45619, 447027), (50421, 404453), (57779, 352947), (63861, 319333), (117649, 173337), (136857, 149009)]