20172848872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1559}}^1$

素因数の和:1775

約数の個数: 128

約数和(自身を含む): 44478720000

約数和(自身を除く): 24305871128

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 71, 76, 88, 109, 142, 152, 209, 218, 284, 418, 436, 568, 781, 836, 872, 1199, 1349, 1559, 1562, 1672, 2071, 2398, 2698, 3118, 3124, 4142, 4796, 5396, 6236, 6248, 7739, 8284, 9592, 10792, 12472, 14839, 15478, 16568, 17149, 22781, 29621, 29678, 30956, 34298, 45562, 59242, 59356, 61912, 68596, 85129, 91124, 110689, 118484, 118712, 137192, 147041, 169931, 170258, 182248, 221378, 236968, 294082, 325831, 339862, 340516, 442756, 588164, 651662, 679724, 681032, 885512, 1176328, 1217579, 1303324, 1359448, 1617451, 1869241, 2103091, 2435158, 2606648, 3228689, 3234902, 3738482, 4206182, 4870316, 6457378, 6469804, 7476964, 8412364, 9740632, 12065101, 12914756, 12939608, 14953928, 16824728, 23134001, 24130202, 25829512, 35515579, 46268002, 48260404, 71031158, 92536004, 96520808, 132716111, 142062316, 185072008, 229236919, 265432222, 284124632, 458473838, 530864444, 916947676, 1061728888, 1833895352, 2521606109, 5043212218, 10086424436, 20172848872]

約数ペア:

[(1, 20172848872), (2, 10086424436), (4, 5043212218), (8, 2521606109), (11, 1833895352), (19, 1061728888), (22, 916947676), (38, 530864444), (44, 458473838), (71, 284124632), (76, 265432222), (88, 229236919), (109, 185072008), (142, 142062316), (152, 132716111), (209, 96520808), (218, 92536004), (284, 71031158), (418, 48260404), (436, 46268002), (568, 35515579), (781, 25829512), (836, 24130202), (872, 23134001), (1199, 16824728), (1349, 14953928), (1559, 12939608), (1562, 12914756), (1672, 12065101), (2071, 9740632), (2398, 8412364), (2698, 7476964), (3118, 6469804), (3124, 6457378), (4142, 4870316), (4796, 4206182), (5396, 3738482), (6236, 3234902), (6248, 3228689), (7739, 2606648), (8284, 2435158), (9592, 2103091), (10792, 1869241), (12472, 1617451), (14839, 1359448), (15478, 1303324), (16568, 1217579), (17149, 1176328), (22781, 885512), (29621, 681032), (29678, 679724), (30956, 651662), (34298, 588164), (45562, 442756), (59242, 340516), (59356, 339862), (61912, 325831), (68596, 294082), (85129, 236968), (91124, 221378), (110689, 182248), (118484, 170258), (118712, 169931), (137192, 147041)]