20125952

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 50135232

約数和(自身を除く): 30009280

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1021, 1232, 1408, 1792, 2042, 2464, 2816, 4084, 4928, 7147, 8168, 9856, 11231, 14294, 16336, 19712, 22462, 28588, 32672, 44924, 57176, 65344, 78617, 89848, 114352, 130688, 157234, 179696, 228704, 261376, 314468, 359392, 457408, 628936, 718784, 914816, 1257872, 1437568, 1829632, 2515744, 2875136, 5031488, 10062976, 20125952]

約数ペア:

[(1, 20125952), (2, 10062976), (4, 5031488), (7, 2875136), (8, 2515744), (11, 1829632), (14, 1437568), (16, 1257872), (22, 914816), (28, 718784), (32, 628936), (44, 457408), (56, 359392), (64, 314468), (77, 261376), (88, 228704), (112, 179696), (128, 157234), (154, 130688), (176, 114352), (224, 89848), (256, 78617), (308, 65344), (352, 57176), (448, 44924), (616, 32672), (704, 28588), (896, 22462), (1021, 19712), (1232, 16336), (1408, 14294), (1792, 11231), (2042, 9856), (2464, 8168), (2816, 7147), (4084, 4928)]