20500200

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1627}}^1$

素因数の和:1656

約数の個数: 144

約数和(自身を含む): 78730080

約数和(自身を除く): 58229880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1627, 1800, 2100, 2520, 3150, 3254, 4200, 4881, 6300, 6508, 8135, 9762, 11389, 12600, 13016, 14643, 16270, 19524, 22778, 24405, 29286, 32540, 34167, 39048, 40675, 45556, 48810, 56945, 58572, 65080, 68334, 73215, 81350, 91112, 97620, 102501, 113890, 117144, 122025, 136668, 146430, 162700, 170835, 195240, 205002, 227780, 244050, 273336, 284725, 292860, 325400, 341670, 366075, 410004, 455560, 488100, 512505, 569450, 585720, 683340, 732150, 820008, 854175, 976200, 1025010, 1138900, 1366680, 1464300, 1708350, 2050020, 2277800, 2562525, 2928600, 3416700, 4100040, 5125050, 6833400, 10250100, 20500200]

約数ペア:

[(1, 20500200), (2, 10250100), (3, 6833400), (4, 5125050), (5, 4100040), (6, 3416700), (7, 2928600), (8, 2562525), (9, 2277800), (10, 2050020), (12, 1708350), (14, 1464300), (15, 1366680), (18, 1138900), (20, 1025010), (21, 976200), (24, 854175), (25, 820008), (28, 732150), (30, 683340), (35, 585720), (36, 569450), (40, 512505), (42, 488100), (45, 455560), (50, 410004), (56, 366075), (60, 341670), (63, 325400), (70, 292860), (72, 284725), (75, 273336), (84, 244050), (90, 227780), (100, 205002), (105, 195240), (120, 170835), (126, 162700), (140, 146430), (150, 136668), (168, 122025), (175, 117144), (180, 113890), (200, 102501), (210, 97620), (225, 91112), (252, 81350), (280, 73215), (300, 68334), (315, 65080), (350, 58572), (360, 56945), (420, 48810), (450, 45556), (504, 40675), (525, 39048), (600, 34167), (630, 32540), (700, 29286), (840, 24405), (900, 22778), (1050, 19524), (1260, 16270), (1400, 14643), (1575, 13016), (1627, 12600), (1800, 11389), (2100, 9762), (2520, 8135), (3150, 6508), (3254, 6300), (4200, 4881)]