20616512476

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{7283}}^1$

素因数の和:7643

約数の個数: 96

約数和(自身を含む): 46109468160

約数和(自身を除く): 25492955684

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 313, 323, 476, 532, 626, 646, 1252, 1292, 2191, 2261, 4382, 4522, 5321, 5947, 7283, 8764, 9044, 10642, 11894, 14566, 21284, 23788, 29132, 37247, 41629, 50981, 74494, 83258, 101099, 101962, 123811, 138377, 148988, 166516, 202198, 203924, 247622, 276754, 404396, 495244, 553508, 707693, 866677, 968639, 1415386, 1733354, 1937278, 2279579, 2352409, 2830772, 3466708, 3874556, 4559158, 4704818, 9118316, 9409636, 15957053, 16466863, 31914106, 32933726, 38752843, 43312001, 63828212, 65867452, 77505686, 86624002, 155011372, 173248004, 271269901, 303184007, 542539802, 606368014, 736304017, 1085079604, 1212736028, 1472608034, 2945216068, 5154128119, 10308256238, 20616512476]

約数ペア:

[(1, 20616512476), (2, 10308256238), (4, 5154128119), (7, 2945216068), (14, 1472608034), (17, 1212736028), (19, 1085079604), (28, 736304017), (34, 606368014), (38, 542539802), (68, 303184007), (76, 271269901), (119, 173248004), (133, 155011372), (238, 86624002), (266, 77505686), (313, 65867452), (323, 63828212), (476, 43312001), (532, 38752843), (626, 32933726), (646, 31914106), (1252, 16466863), (1292, 15957053), (2191, 9409636), (2261, 9118316), (4382, 4704818), (4522, 4559158), (5321, 3874556), (5947, 3466708), (7283, 2830772), (8764, 2352409), (9044, 2279579), (10642, 1937278), (11894, 1733354), (14566, 1415386), (21284, 968639), (23788, 866677), (29132, 707693), (37247, 553508), (41629, 495244), (50981, 404396), (74494, 276754), (83258, 247622), (101099, 203924), (101962, 202198), (123811, 166516), (138377, 148988)]