20952064

素因数分解:

$2^{10}\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 88

約数和(自身を含む): 49783040

約数和(自身を除く): 28830976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 79, 112, 128, 148, 158, 224, 256, 259, 296, 316, 448, 512, 518, 553, 592, 632, 896, 1024, 1036, 1106, 1184, 1264, 1792, 2072, 2212, 2368, 2528, 2923, 3584, 4144, 4424, 4736, 5056, 5846, 7168, 8288, 8848, 9472, 10112, 11692, 16576, 17696, 18944, 20224, 20461, 23384, 33152, 35392, 37888, 40448, 40922, 46768, 66304, 70784, 80896, 81844, 93536, 132608, 141568, 163688, 187072, 265216, 283136, 327376, 374144, 566272, 654752, 748288, 1309504, 1496576, 2619008, 2993152, 5238016, 10476032, 20952064]

約数ペア:

[(1, 20952064), (2, 10476032), (4, 5238016), (7, 2993152), (8, 2619008), (14, 1496576), (16, 1309504), (28, 748288), (32, 654752), (37, 566272), (56, 374144), (64, 327376), (74, 283136), (79, 265216), (112, 187072), (128, 163688), (148, 141568), (158, 132608), (224, 93536), (256, 81844), (259, 80896), (296, 70784), (316, 66304), (448, 46768), (512, 40922), (518, 40448), (553, 37888), (592, 35392), (632, 33152), (896, 23384), (1024, 20461), (1036, 20224), (1106, 18944), (1184, 17696), (1264, 16576), (1792, 11692), (2072, 10112), (2212, 9472), (2368, 8848), (2528, 8288), (2923, 7168), (3584, 5846), (4144, 5056), (4424, 4736)]