20757504

素因数分解:

$2^{10}\times 3^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:285

約数の個数: 88

約数和(自身を含む): 57479760

約数和(自身を除く): 36722256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 233, 256, 348, 384, 464, 466, 512, 696, 699, 768, 928, 932, 1024, 1392, 1398, 1536, 1856, 1864, 2784, 2796, 3072, 3712, 3728, 5568, 5592, 6757, 7424, 7456, 11136, 11184, 13514, 14848, 14912, 20271, 22272, 22368, 27028, 29696, 29824, 40542, 44544, 44736, 54056, 59648, 81084, 89088, 89472, 108112, 119296, 162168, 178944, 216224, 238592, 324336, 357888, 432448, 648672, 715776, 864896, 1297344, 1729792, 2594688, 3459584, 5189376, 6919168, 10378752, 20757504]

約数ペア:

[(1, 20757504), (2, 10378752), (3, 6919168), (4, 5189376), (6, 3459584), (8, 2594688), (12, 1729792), (16, 1297344), (24, 864896), (29, 715776), (32, 648672), (48, 432448), (58, 357888), (64, 324336), (87, 238592), (96, 216224), (116, 178944), (128, 162168), (174, 119296), (192, 108112), (232, 89472), (233, 89088), (256, 81084), (348, 59648), (384, 54056), (464, 44736), (466, 44544), (512, 40542), (696, 29824), (699, 29696), (768, 27028), (928, 22368), (932, 22272), (1024, 20271), (1392, 14912), (1398, 14848), (1536, 13514), (1856, 11184), (1864, 11136), (2784, 7456), (2796, 7424), (3072, 6757), (3712, 5592), (3728, 5568)]