20197352128

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{48247}}^1$

素因数の和:48501

約数の個数: 56

約数和(自身を含む): 41568932864

約数和(自身を除く): 21371580736

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 211, 248, 422, 496, 844, 992, 1688, 1984, 3376, 6541, 6752, 13082, 13504, 26164, 48247, 52328, 96494, 104656, 192988, 209312, 385976, 418624, 771952, 1495657, 1543904, 2991314, 3087808, 5982628, 10180117, 11965256, 20360234, 23930512, 40720468, 47861024, 81440936, 95722048, 162881872, 315583627, 325763744, 631167254, 651527488, 1262334508, 2524669016, 5049338032, 10098676064, 20197352128]

約数ペア:

[(1, 20197352128), (2, 10098676064), (4, 5049338032), (8, 2524669016), (16, 1262334508), (31, 651527488), (32, 631167254), (62, 325763744), (64, 315583627), (124, 162881872), (211, 95722048), (248, 81440936), (422, 47861024), (496, 40720468), (844, 23930512), (992, 20360234), (1688, 11965256), (1984, 10180117), (3376, 5982628), (6541, 3087808), (6752, 2991314), (13082, 1543904), (13504, 1495657), (26164, 771952), (48247, 418624), (52328, 385976), (96494, 209312), (104656, 192988)]