20176818837

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{8297}}^1$

素因数の和:8618

約数の個数: 48

約数和(自身を含む): 31875472512

約数和(自身を除く): 11698653675

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 233, 497, 699, 1491, 1631, 3479, 4893, 8297, 10437, 11417, 16543, 24891, 34251, 49629, 58079, 115801, 174237, 347403, 406553, 589087, 810607, 1219659, 1767261, 1933201, 2431821, 4123609, 5799603, 12370827, 13532407, 28865263, 40597221, 86595789, 94726849, 137257271, 284180547, 411771813, 960800897, 2882402691, 6725606279, 20176818837]

約数ペア:

[(1, 20176818837), (3, 6725606279), (7, 2882402691), (21, 960800897), (49, 411771813), (71, 284180547), (147, 137257271), (213, 94726849), (233, 86595789), (497, 40597221), (699, 28865263), (1491, 13532407), (1631, 12370827), (3479, 5799603), (4893, 4123609), (8297, 2431821), (10437, 1933201), (11417, 1767261), (16543, 1219659), (24891, 810607), (34251, 589087), (49629, 406553), (58079, 347403), (115801, 174237)]