20030712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 59136000

約数和(自身を除く): 39105288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 104, 109, 114, 124, 152, 156, 186, 218, 228, 247, 248, 312, 327, 372, 403, 436, 456, 494, 589, 654, 741, 744, 806, 872, 988, 1178, 1209, 1308, 1417, 1482, 1612, 1767, 1976, 2071, 2356, 2418, 2616, 2834, 2964, 3224, 3379, 3534, 4142, 4251, 4712, 4836, 5668, 5928, 6213, 6758, 7068, 7657, 8284, 8502, 9672, 10137, 11336, 12426, 13516, 14136, 15314, 16568, 17004, 20274, 22971, 24852, 26923, 27032, 30628, 34008, 40548, 43927, 45942, 49704, 53846, 61256, 64201, 80769, 81096, 87854, 91884, 107692, 128402, 131781, 161538, 175708, 183768, 192603, 215384, 256804, 263562, 323076, 351416, 385206, 513608, 527124, 646152, 770412, 834613, 1054248, 1540824, 1669226, 2503839, 3338452, 5007678, 6676904, 10015356, 20030712]

約数ペア:

[(1, 20030712), (2, 10015356), (3, 6676904), (4, 5007678), (6, 3338452), (8, 2503839), (12, 1669226), (13, 1540824), (19, 1054248), (24, 834613), (26, 770412), (31, 646152), (38, 527124), (39, 513608), (52, 385206), (57, 351416), (62, 323076), (76, 263562), (78, 256804), (93, 215384), (104, 192603), (109, 183768), (114, 175708), (124, 161538), (152, 131781), (156, 128402), (186, 107692), (218, 91884), (228, 87854), (247, 81096), (248, 80769), (312, 64201), (327, 61256), (372, 53846), (403, 49704), (436, 45942), (456, 43927), (494, 40548), (589, 34008), (654, 30628), (741, 27032), (744, 26923), (806, 24852), (872, 22971), (988, 20274), (1178, 17004), (1209, 16568), (1308, 15314), (1417, 14136), (1482, 13516), (1612, 12426), (1767, 11336), (1976, 10137), (2071, 9672), (2356, 8502), (2418, 8284), (2616, 7657), (2834, 7068), (2964, 6758), (3224, 6213), (3379, 5928), (3534, 5668), (4142, 4836), (4251, 4712)]