20128490088

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{977}}^1\times {\mathrm{17519}}^1$

素因数の和:18519

約数の個数: 96

約数和(自身を含む): 58600195200

約数和(自身を除く): 38471705112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 977, 1176, 1954, 2931, 3908, 5862, 6839, 7816, 11724, 13678, 17519, 20517, 23448, 27356, 35038, 41034, 47873, 52557, 54712, 70076, 82068, 95746, 105114, 122633, 140152, 143619, 164136, 191492, 210228, 245266, 287238, 367899, 382984, 420456, 490532, 574476, 735798, 858431, 981064, 1148952, 1471596, 1716862, 2575293, 2943192, 3433724, 5150586, 6867448, 10301172, 17116063, 20602344, 34232126, 51348189, 68464252, 102696378, 119812441, 136928504, 205392756, 239624882, 359437323, 410785512, 479249764, 718874646, 838687087, 958499528, 1437749292, 1677374174, 2516061261, 2875498584, 3354748348, 5032122522, 6709496696, 10064245044, 20128490088]

約数ペア:

[(1, 20128490088), (2, 10064245044), (3, 6709496696), (4, 5032122522), (6, 3354748348), (7, 2875498584), (8, 2516061261), (12, 1677374174), (14, 1437749292), (21, 958499528), (24, 838687087), (28, 718874646), (42, 479249764), (49, 410785512), (56, 359437323), (84, 239624882), (98, 205392756), (147, 136928504), (168, 119812441), (196, 102696378), (294, 68464252), (392, 51348189), (588, 34232126), (977, 20602344), (1176, 17116063), (1954, 10301172), (2931, 6867448), (3908, 5150586), (5862, 3433724), (6839, 2943192), (7816, 2575293), (11724, 1716862), (13678, 1471596), (17519, 1148952), (20517, 981064), (23448, 858431), (27356, 735798), (35038, 574476), (41034, 490532), (47873, 420456), (52557, 382984), (54712, 367899), (70076, 287238), (82068, 245266), (95746, 210228), (105114, 191492), (122633, 164136), (140152, 143619)]