20289311595

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1979}}^1$

素因数の和:2590

約数の個数: 128

約数和(自身を含む): 43490304000

約数和(自身を除く): 23200992405

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 571, 665, 855, 945, 1197, 1713, 1979, 1995, 2565, 2855, 3591, 3997, 5139, 5937, 5985, 8565, 9895, 10849, 11991, 13853, 15417, 17811, 17955, 19985, 25695, 29685, 32547, 35973, 37601, 41559, 53433, 54245, 59955, 69265, 75943, 77085, 89055, 97641, 107919, 112803, 124677, 162735, 179865, 188005, 207795, 227829, 263207, 267165, 292923, 338409, 374031, 379715, 488205, 539595, 564015, 623385, 683487, 789621, 1015227, 1130009, 1139145, 1316035, 1464615, 1692045, 1870155, 2050461, 2368863, 3390027, 3417435, 3948105, 5076135, 5650045, 7106589, 7910063, 10170081, 10252305, 11844315, 16950135, 21470171, 23730189, 30510243, 35532945, 39550315, 50850405, 64410513, 71190567, 107350855, 118650945, 150291197, 152551215, 193231539, 213571701, 322052565, 355952835, 450873591, 579694617, 751455985, 966157695, 1067858505, 1352620773, 2254367955, 2898473085, 4057862319, 6763103865, 20289311595]

約数ペア:

[(1, 20289311595), (3, 6763103865), (5, 4057862319), (7, 2898473085), (9, 2254367955), (15, 1352620773), (19, 1067858505), (21, 966157695), (27, 751455985), (35, 579694617), (45, 450873591), (57, 355952835), (63, 322052565), (95, 213571701), (105, 193231539), (133, 152551215), (135, 150291197), (171, 118650945), (189, 107350855), (285, 71190567), (315, 64410513), (399, 50850405), (513, 39550315), (571, 35532945), (665, 30510243), (855, 23730189), (945, 21470171), (1197, 16950135), (1713, 11844315), (1979, 10252305), (1995, 10170081), (2565, 7910063), (2855, 7106589), (3591, 5650045), (3997, 5076135), (5139, 3948105), (5937, 3417435), (5985, 3390027), (8565, 2368863), (9895, 2050461), (10849, 1870155), (11991, 1692045), (13853, 1464615), (15417, 1316035), (17811, 1139145), (17955, 1130009), (19985, 1015227), (25695, 789621), (29685, 683487), (32547, 623385), (35973, 564015), (37601, 539595), (41559, 488205), (53433, 379715), (54245, 374031), (59955, 338409), (69265, 292923), (75943, 267165), (77085, 263207), (89055, 227829), (97641, 207795), (107919, 188005), (112803, 179865), (124677, 162735)]