20118667527

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{11807}}^1$

素因数の和:11917

約数の個数: 96

約数和(自身を含む): 36958851072

約数和(自身を除く): 16840183545

約数列:

[1, 3, 7, 9, 17, 21, 37, 43, 51, 63, 111, 119, 129, 153, 259, 301, 333, 357, 387, 629, 731, 777, 903, 1071, 1591, 1887, 2193, 2331, 2709, 4403, 4773, 5117, 5661, 6579, 11137, 11807, 13209, 14319, 15351, 27047, 33411, 35421, 39627, 46053, 81141, 82649, 100233, 106263, 189329, 200719, 243423, 247947, 436859, 507701, 567987, 602157, 743841, 1310577, 1405033, 1523103, 1703961, 1806471, 3058013, 3553907, 3931731, 4215099, 4569309, 7426603, 8630917, 9174039, 10661721, 12645297, 18784937, 22279809, 25892751, 27522117, 31985163, 51986221, 56354811, 60416419, 66839427, 77678253, 131494559, 155958663, 169064433, 181249257, 319343929, 394483677, 467875989, 543747771, 958031787, 1183451031, 2235407503, 2874095361, 6706222509, 20118667527]

約数ペア:

[(1, 20118667527), (3, 6706222509), (7, 2874095361), (9, 2235407503), (17, 1183451031), (21, 958031787), (37, 543747771), (43, 467875989), (51, 394483677), (63, 319343929), (111, 181249257), (119, 169064433), (129, 155958663), (153, 131494559), (259, 77678253), (301, 66839427), (333, 60416419), (357, 56354811), (387, 51986221), (629, 31985163), (731, 27522117), (777, 25892751), (903, 22279809), (1071, 18784937), (1591, 12645297), (1887, 10661721), (2193, 9174039), (2331, 8630917), (2709, 7426603), (4403, 4569309), (4773, 4215099), (5117, 3931731), (5661, 3553907), (6579, 3058013), (11137, 1806471), (11807, 1703961), (13209, 1523103), (14319, 1405033), (15351, 1310577), (27047, 743841), (33411, 602157), (35421, 567987), (39627, 507701), (46053, 436859), (81141, 247947), (82649, 243423), (100233, 200719), (106263, 189329)]