20999190888

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{231289}}^1$

素因数の和:231411

約数の個数: 96

約数和(自身を含む): 61879326600

約数和(自身を除く): 40880135712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 97, 104, 117, 156, 194, 234, 291, 312, 388, 468, 582, 776, 873, 936, 1164, 1261, 1746, 2328, 2522, 3492, 3783, 5044, 6984, 7566, 10088, 11349, 15132, 22698, 30264, 45396, 90792, 231289, 462578, 693867, 925156, 1387734, 1850312, 2081601, 2775468, 3006757, 4163202, 5550936, 6013514, 8326404, 9020271, 12027028, 16652808, 18040542, 22435033, 24054056, 27060813, 36081084, 44870066, 54121626, 67305099, 72162168, 89740132, 108243252, 134610198, 179480264, 201915297, 216486504, 269220396, 291655429, 403830594, 538440792, 583310858, 807661188, 874966287, 1166621716, 1615322376, 1749932574, 2333243432, 2624898861, 3499865148, 5249797722, 6999730296, 10499595444, 20999190888]

約数ペア:

[(1, 20999190888), (2, 10499595444), (3, 6999730296), (4, 5249797722), (6, 3499865148), (8, 2624898861), (9, 2333243432), (12, 1749932574), (13, 1615322376), (18, 1166621716), (24, 874966287), (26, 807661188), (36, 583310858), (39, 538440792), (52, 403830594), (72, 291655429), (78, 269220396), (97, 216486504), (104, 201915297), (117, 179480264), (156, 134610198), (194, 108243252), (234, 89740132), (291, 72162168), (312, 67305099), (388, 54121626), (468, 44870066), (582, 36081084), (776, 27060813), (873, 24054056), (936, 22435033), (1164, 18040542), (1261, 16652808), (1746, 12027028), (2328, 9020271), (2522, 8326404), (3492, 6013514), (3783, 5550936), (5044, 4163202), (6984, 3006757), (7566, 2775468), (10088, 2081601), (11349, 1850312), (15132, 1387734), (22698, 925156), (30264, 693867), (45396, 462578), (90792, 231289)]