20795706568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{19031}}^1$

素因数の和:19155

約数の個数: 128

約数和(自身を含む): 51158016000

約数和(自身を除く): 30362309432

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 79, 91, 104, 133, 152, 158, 182, 247, 266, 316, 364, 494, 532, 553, 632, 728, 988, 1027, 1064, 1106, 1501, 1729, 1976, 2054, 2212, 3002, 3458, 4108, 4424, 6004, 6916, 7189, 8216, 10507, 12008, 13832, 14378, 19031, 19513, 21014, 28756, 38062, 39026, 42028, 57512, 76124, 78052, 84056, 133217, 136591, 152248, 156104, 247403, 266434, 273182, 361589, 494806, 532868, 546364, 723178, 989612, 1065736, 1092728, 1446356, 1503449, 1731821, 1979224, 2531123, 2892712, 3006898, 3463642, 4700657, 5062246, 6013796, 6927284, 9401314, 10124492, 10524143, 12027592, 13854568, 18802628, 19544837, 20248984, 21048286, 28565531, 32904599, 37605256, 39089674, 42096572, 57131062, 65809198, 78179348, 84193144, 114262124, 131618396, 136813859, 156358696, 199958717, 228524248, 263236792, 273627718, 371351903, 399917434, 547255436, 742703806, 799834868, 1094510872, 1485407612, 1599669736, 2599463321, 2970815224, 5198926642, 10397853284, 20795706568]

約数ペア:

[(1, 20795706568), (2, 10397853284), (4, 5198926642), (7, 2970815224), (8, 2599463321), (13, 1599669736), (14, 1485407612), (19, 1094510872), (26, 799834868), (28, 742703806), (38, 547255436), (52, 399917434), (56, 371351903), (76, 273627718), (79, 263236792), (91, 228524248), (104, 199958717), (133, 156358696), (152, 136813859), (158, 131618396), (182, 114262124), (247, 84193144), (266, 78179348), (316, 65809198), (364, 57131062), (494, 42096572), (532, 39089674), (553, 37605256), (632, 32904599), (728, 28565531), (988, 21048286), (1027, 20248984), (1064, 19544837), (1106, 18802628), (1501, 13854568), (1729, 12027592), (1976, 10524143), (2054, 10124492), (2212, 9401314), (3002, 6927284), (3458, 6013796), (4108, 5062246), (4424, 4700657), (6004, 3463642), (6916, 3006898), (7189, 2892712), (8216, 2531123), (10507, 1979224), (12008, 1731821), (13832, 1503449), (14378, 1446356), (19031, 1092728), (19513, 1065736), (21014, 989612), (28756, 723178), (38062, 546364), (39026, 532868), (42028, 494806), (57512, 361589), (76124, 273182), (78052, 266434), (84056, 247403), (133217, 156104), (136591, 152248)]