20171184

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 60162816

約数和(自身を除く): 39991632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 44, 46, 48, 66, 69, 88, 92, 121, 132, 138, 151, 176, 184, 242, 253, 264, 276, 302, 363, 368, 453, 484, 506, 528, 552, 604, 726, 759, 906, 968, 1012, 1104, 1208, 1452, 1518, 1661, 1812, 1936, 2024, 2416, 2783, 2904, 3036, 3322, 3473, 3624, 4048, 4983, 5566, 5808, 6072, 6644, 6946, 7248, 8349, 9966, 10419, 11132, 12144, 13288, 13892, 16698, 18271, 19932, 20838, 22264, 26576, 27784, 33396, 36542, 38203, 39864, 41676, 44528, 54813, 55568, 66792, 73084, 76406, 79728, 83352, 109626, 114609, 133584, 146168, 152812, 166704, 219252, 229218, 292336, 305624, 420233, 438504, 458436, 611248, 840466, 877008, 916872, 1260699, 1680932, 1833744, 2521398, 3361864, 5042796, 6723728, 10085592, 20171184]

約数ペア:

[(1, 20171184), (2, 10085592), (3, 6723728), (4, 5042796), (6, 3361864), (8, 2521398), (11, 1833744), (12, 1680932), (16, 1260699), (22, 916872), (23, 877008), (24, 840466), (33, 611248), (44, 458436), (46, 438504), (48, 420233), (66, 305624), (69, 292336), (88, 229218), (92, 219252), (121, 166704), (132, 152812), (138, 146168), (151, 133584), (176, 114609), (184, 109626), (242, 83352), (253, 79728), (264, 76406), (276, 73084), (302, 66792), (363, 55568), (368, 54813), (453, 44528), (484, 41676), (506, 39864), (528, 38203), (552, 36542), (604, 33396), (726, 27784), (759, 26576), (906, 22264), (968, 20838), (1012, 19932), (1104, 18271), (1208, 16698), (1452, 13892), (1518, 13288), (1661, 12144), (1812, 11132), (1936, 10419), (2024, 9966), (2416, 8349), (2783, 7248), (2904, 6946), (3036, 6644), (3322, 6072), (3473, 5808), (3624, 5566), (4048, 4983)]