20025456

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 62995968

約数和(自身を除く): 42970512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 23, 24, 33, 34, 44, 46, 48, 51, 66, 68, 69, 88, 92, 97, 102, 132, 136, 138, 176, 184, 187, 194, 204, 253, 264, 272, 276, 291, 368, 374, 388, 391, 408, 506, 528, 552, 561, 582, 748, 759, 776, 782, 816, 1012, 1067, 1104, 1122, 1164, 1173, 1496, 1518, 1552, 1564, 1649, 2024, 2134, 2231, 2244, 2328, 2346, 2992, 3036, 3128, 3201, 3298, 4048, 4268, 4301, 4462, 4488, 4656, 4692, 4947, 6072, 6256, 6402, 6596, 6693, 8536, 8602, 8924, 8976, 9384, 9894, 12144, 12804, 12903, 13192, 13386, 17072, 17204, 17848, 18139, 18768, 19788, 24541, 25608, 25806, 26384, 26772, 34408, 35696, 36278, 37927, 39576, 49082, 51216, 51612, 53544, 54417, 68816, 72556, 73623, 75854, 79152, 98164, 103224, 107088, 108834, 113781, 145112, 147246, 151708, 196328, 206448, 217668, 227562, 290224, 294492, 303416, 392656, 417197, 435336, 455124, 588984, 606832, 834394, 870672, 910248, 1177968, 1251591, 1668788, 1820496, 2503182, 3337576, 5006364, 6675152, 10012728, 20025456]

約数ペア:

[(1, 20025456), (2, 10012728), (3, 6675152), (4, 5006364), (6, 3337576), (8, 2503182), (11, 1820496), (12, 1668788), (16, 1251591), (17, 1177968), (22, 910248), (23, 870672), (24, 834394), (33, 606832), (34, 588984), (44, 455124), (46, 435336), (48, 417197), (51, 392656), (66, 303416), (68, 294492), (69, 290224), (88, 227562), (92, 217668), (97, 206448), (102, 196328), (132, 151708), (136, 147246), (138, 145112), (176, 113781), (184, 108834), (187, 107088), (194, 103224), (204, 98164), (253, 79152), (264, 75854), (272, 73623), (276, 72556), (291, 68816), (368, 54417), (374, 53544), (388, 51612), (391, 51216), (408, 49082), (506, 39576), (528, 37927), (552, 36278), (561, 35696), (582, 34408), (748, 26772), (759, 26384), (776, 25806), (782, 25608), (816, 24541), (1012, 19788), (1067, 18768), (1104, 18139), (1122, 17848), (1164, 17204), (1173, 17072), (1496, 13386), (1518, 13192), (1552, 12903), (1564, 12804), (1649, 12144), (2024, 9894), (2134, 9384), (2231, 8976), (2244, 8924), (2328, 8602), (2346, 8536), (2992, 6693), (3036, 6596), (3128, 6402), (3201, 6256), (3298, 6072), (4048, 4947), (4268, 4692), (4301, 4656), (4462, 4488)]