20431232

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 44390400

約数和(自身を除く): 23959168

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 271, 304, 496, 542, 589, 608, 992, 1084, 1178, 1216, 1984, 2168, 2356, 2432, 3968, 4336, 4712, 5149, 8401, 8672, 9424, 10298, 16802, 17344, 18848, 20596, 33604, 34688, 37696, 41192, 67208, 75392, 82384, 134416, 159619, 164768, 268832, 319238, 329536, 537664, 638476, 659072, 1075328, 1276952, 2553904, 5107808, 10215616, 20431232]

約数ペア:

[(1, 20431232), (2, 10215616), (4, 5107808), (8, 2553904), (16, 1276952), (19, 1075328), (31, 659072), (32, 638476), (38, 537664), (62, 329536), (64, 319238), (76, 268832), (124, 164768), (128, 159619), (152, 134416), (248, 82384), (271, 75392), (304, 67208), (496, 41192), (542, 37696), (589, 34688), (608, 33604), (992, 20596), (1084, 18848), (1178, 17344), (1216, 16802), (1984, 10298), (2168, 9424), (2356, 8672), (2432, 8401), (3968, 5149), (4336, 4712)]