20288136

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 59535360

約数和(自身を除く): 39247224

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 37, 44, 62, 66, 67, 74, 88, 93, 111, 124, 132, 134, 148, 186, 201, 222, 248, 264, 268, 296, 341, 372, 402, 407, 444, 536, 682, 737, 744, 804, 814, 888, 1023, 1147, 1221, 1364, 1474, 1608, 1628, 2046, 2077, 2211, 2294, 2442, 2479, 2728, 2948, 3256, 3441, 4092, 4154, 4422, 4588, 4884, 4958, 5896, 6231, 6882, 7437, 8184, 8308, 8844, 9176, 9768, 9916, 12462, 12617, 13764, 14874, 16616, 17688, 19832, 22847, 24924, 25234, 27269, 27528, 29748, 37851, 45694, 49848, 50468, 54538, 59496, 68541, 75702, 76849, 81807, 91388, 100936, 109076, 137082, 151404, 153698, 163614, 182776, 218152, 230547, 274164, 302808, 307396, 327228, 461094, 548328, 614792, 654456, 845339, 922188, 1690678, 1844376, 2536017, 3381356, 5072034, 6762712, 10144068, 20288136]

約数ペア:

[(1, 20288136), (2, 10144068), (3, 6762712), (4, 5072034), (6, 3381356), (8, 2536017), (11, 1844376), (12, 1690678), (22, 922188), (24, 845339), (31, 654456), (33, 614792), (37, 548328), (44, 461094), (62, 327228), (66, 307396), (67, 302808), (74, 274164), (88, 230547), (93, 218152), (111, 182776), (124, 163614), (132, 153698), (134, 151404), (148, 137082), (186, 109076), (201, 100936), (222, 91388), (248, 81807), (264, 76849), (268, 75702), (296, 68541), (341, 59496), (372, 54538), (402, 50468), (407, 49848), (444, 45694), (536, 37851), (682, 29748), (737, 27528), (744, 27269), (804, 25234), (814, 24924), (888, 22847), (1023, 19832), (1147, 17688), (1221, 16616), (1364, 14874), (1474, 13764), (1608, 12617), (1628, 12462), (2046, 9916), (2077, 9768), (2211, 9176), (2294, 8844), (2442, 8308), (2479, 8184), (2728, 7437), (2948, 6882), (3256, 6231), (3441, 5896), (4092, 4958), (4154, 4884), (4422, 4588)]