20763774208

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{1579}}^1\times {\mathrm{1657}}^1$

素因数の和:3283

約数の個数: 72

約数和(自身を含む): 42836353280

約数和(自身を除く): 22072579072

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1579, 1657, 1984, 3158, 3314, 3968, 6316, 6628, 7936, 12632, 13256, 25264, 26512, 48949, 50528, 51367, 53024, 97898, 101056, 102734, 106048, 195796, 202112, 205468, 212096, 391592, 404224, 410936, 424192, 783184, 821872, 1566368, 1643744, 2616403, 3132736, 3287488, 5232806, 6265472, 6574976, 10465612, 12530944, 13149952, 20931224, 41862448, 81108493, 83724896, 162216986, 167449792, 324433972, 334899584, 648867944, 669799168, 1297735888, 2595471776, 5190943552, 10381887104, 20763774208]

約数ペア:

[(1, 20763774208), (2, 10381887104), (4, 5190943552), (8, 2595471776), (16, 1297735888), (31, 669799168), (32, 648867944), (62, 334899584), (64, 324433972), (124, 167449792), (128, 162216986), (248, 83724896), (256, 81108493), (496, 41862448), (992, 20931224), (1579, 13149952), (1657, 12530944), (1984, 10465612), (3158, 6574976), (3314, 6265472), (3968, 5232806), (6316, 3287488), (6628, 3132736), (7936, 2616403), (12632, 1643744), (13256, 1566368), (25264, 821872), (26512, 783184), (48949, 424192), (50528, 410936), (51367, 404224), (53024, 391592), (97898, 212096), (101056, 205468), (102734, 202112), (106048, 195796)]